{"id":"CVE-2026-66046","aliases":["ALPINE-CVE-2026-66046","ALSA-2026:72448","ALSA-2026:72663","ALSA-2026:74001","AZL-96605","BELL-CVE-2026-66046","CLSA-2026-1790064092","CLSA-2026-1790153508","CLSA-2026-1790239193","CLSA-2026-1790239270","CLSA-2026-1790239757","CLSA-2026-1790248267","CLSA-2026-1790290820","CLSA-2026-1790802906","CLSA-2026-1791195137","CLSA-2026-1791254668","CLSA-2026-1791333112","CLSA-2026-1791333440","DEBIAN-CVE-2026-66046","EUVD-2026-60821","GHSA-m3rp-25vq-jfcv","MGASA-2026-0378","OESA-2026-3669","OESA-2026-3670","OESA-2026-3671","OESA-2026-3672","OESA-2026-3837","RHSA-2026:65568","RHSA-2026:72448","RHSA-2026:72663","RHSA-2026:74001","RLSA-2026:72448","RLSA-2026:72663","RLSA-2026:74001","ROOT-OS-DEBIAN-11-CVE-2026-66046","ROOT-OS-DEBIAN-12-CVE-2026-66046","ROOT-OS-DEBIAN-13-CVE-2026-66046","SUSE-SU-2026:23894-1","SUSE-SU-2026:23912-1","SUSE-SU-2026:24260-1","SUSE-SU-2026:24323-1","SUSE-SU-2026:24554-1","SUSE-SU-2026:4615-1","SUSE-SU-2026:4619-1","SUSE-SU-2026:4623-1","SUSE-SU-2026:4736-1","SUSE-SU-2026:4806-1","SUSE-SU-2026:4834-1","UBUNTU-CVE-2026-66046","USN-8813-1","openSUSE-SU-2026:11733-1","openSUSE-SU-2026:21945-1","openSUSE-SU-2026:22139-1"],"status":"published","title":"Expat Denial of Service via storeAtts() Quadratic Complexity","description":"Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts() function in xmlparse.c, where processing N specified attributes with non-normalized values triggers an O(N^2) linear scan of elementType-\u003edefaultAtts to determine CDATA status. A remote unauthenticated attacker can supply a single well-formed XML document of a few megabytes to an application parsing untrusted XML to cause excessive CPU consumption, resulting in denial of service without requiring authentication, external entity resolution, or non-default parser options.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00742,"percentile":0.54957,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-407"],"published":"2026-08-18T14:10:05Z","modified":"2026-11-09T02:47:26Z","fixes":[{"ecosystem":"Alpine:v3.21","package":"expat","fixed_in":["2.8.4-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"expat","fixed_in":["2.8.4-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"expat","fixed_in":["2.8.4-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"expat","fixed_in":["2.8.4-r0"],"sources":["osv"]},{"ecosystem":"Azure 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Denial of Service via storeAtts() Quadratic Complexity","description":"Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts() function in xmlparse.c, where processing N specified attributes with non-normalized values triggers an O(N^2) linear scan of elementType-\u003edefaultAtts to determine CDATA status. A remote unauthenticated attacker can supply a single well-formed XML document of a few megabytes to an application parsing untrusted XML to cause excessive CPU consumption, resulting in denial of service without requiring authentication, external entity resolution, or non-default parser options.","status":"published","published":"2026-08-18T14:10:05.176Z","modified":"2026-11-08T14:08:05.493Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-407"],"updated_at":"2026-11-08T15:43:33.322657Z"}],"euvd":[{"id":"EUVD-2026-60821","description":"Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts() function in xmlparse.c, where processing N specified attributes with non-normalized values triggers an O(N^2) linear scan of elementType-\u003edefaultAtts to determine CDATA status. A remote unauthenticated attacker can supply a single well-formed XML document of a few megabytes to an application parsing untrusted XML to cause excessive CPU consumption, resulting in denial of service without requiring authentication, external entity resolution, or non-default parser options.","status":"published","published":"2026-08-18T14:10:05Z","modified":"2026-11-08T14:08:05Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-08T15:13:07.123106Z"}],"ghsa":[{"id":"GHSA-m3rp-25vq-jfcv","title":"Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic...","description":"Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts() function in xmlparse.c, where processing N specified attributes with non-normalized values triggers an O(N^2) linear scan of elementType-\u003edefaultAtts to determine CDATA status. A remote unauthenticated attacker can supply a single well-formed XML document of a few megabytes to an application parsing untrusted XML to cause excessive CPU consumption, resulting in denial of service without requiring authentication, external entity resolution, or non-default parser options.","status":"published","published":"2026-08-18T15:31:47Z","modified":"2026-08-18T15:31:56Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-407"],"updated_at":"2026-11-02T15:10:36.357752Z"}],"nvd":[{"id":"CVE-2026-66046","description":"Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts() function in xmlparse.c, where processing N specified attributes with non-normalized values triggers an O(N^2) linear scan of elementType-\u003edefaultAtts to determine CDATA status. A remote unauthenticated attacker can supply a single well-formed XML document of a few megabytes to an application parsing untrusted XML to cause excessive CPU consumption, resulting in denial of service without requiring authentication, external entity resolution, or non-default parser options.","status":"published","published":"2026-08-18T15:16:57Z","modified":"2026-10-22T22:10:00.25Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-407"],"updated_at":"2026-11-02T14:12:38.976695Z"}],"osv":[{"id":"ALPINE-CVE-2026-66046","description":"Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts() function in xmlparse.c, where processing N specified attributes with non-normalized values triggers an O(N^2) linear scan of elementType-\u003edefaultAtts to determine CDATA status. A remote unauthenticated attacker can supply a single well-formed XML document of a few megabytes to an application parsing untrusted XML to cause excessive CPU consumption, resulting in denial of service without requiring authentication, external entity resolution, or non-default parser options.","status":"published","published":"2026-08-18T15:16:57Z","modified":"2026-10-01T02:17:49.389480731Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"}],"updated_at":"2026-11-02T15:27:50.764331Z"},{"id":"BELL-CVE-2026-66046","status":"published","published":"2026-08-20T06:06:26.16271Z","modified":"2026-09-01T07:15:06.495929771Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:28:25.231222Z"},{"id":"CVE-2026-66046","title":"Expat Denial of Service via storeAtts() Quadratic Complexity","description":"Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts() function in xmlparse.c, where processing N specified attributes with non-normalized values triggers an O(N^2) linear scan of elementType-\u003edefaultAtts to determine CDATA status. A remote unauthenticated attacker can supply a single well-formed XML document of a few megabytes to an application parsing untrusted XML to cause excessive CPU consumption, resulting in denial of service without requiring authentication, external entity resolution, or non-default parser options.","status":"published","published":"2026-08-18T14:10:05.176Z","modified":"2026-11-09T02:47:26.791399776Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-407"],"updated_at":"2026-11-09T03:16:17.543303Z"},{"id":"DEBIAN-CVE-2026-66046","description":"Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts() function in xmlparse.c, where processing N specified attributes with non-normalized values triggers an O(N^2) linear scan of elementType-\u003edefaultAtts to determine CDATA status. A remote unauthenticated attacker can supply a single well-formed XML document of a few megabytes to an application parsing untrusted XML to cause excessive CPU consumption, resulting in denial of service without requiring authentication, external entity resolution, or non-default parser options.","status":"published","published":"2026-08-18T15:16:57Z","modified":"2026-10-23T17:47:31.770099504Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"}],"updated_at":"2026-11-02T15:45:58.699079Z"},{"id":"OESA-2026-3669","title":"expat security update","description":"expat is a stream-oriented XML parser library written in C. expat excels with files too large to fit RAM, and where performance and flexibility are crucial.\r\n\r\nSecurity Fix(es):\n\nExpat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts() function in xmlparse.c, where processing N specified attributes with non-normalized values triggers an O(N^2) linear scan of elementType-\u0026gt;defaultAtts to determine CDATA status. A remote unauthenticated attacker can supply a single well-formed XML document of a few megabytes to an application parsing untrusted XML to cause excessive CPU consumption, resulting in denial of service without requiring authentication, external entity resolution, or non-default parser options.(CVE-2026-66046)\n\nExpat through 2.8.3 contains an out-of-bounds read vulnerability that allows attackers to trigger memory corruption by processing XML with external entity parsers created via XML_ExternalEntityParserCreate. A struct size mismatch between ELEMENT_TYPE members causes storeAtts to read the attIndex member past allocated memory boundaries, resulting in failure to normalize whitespace in non-CDATA attributes or a wild pointer dereference causing a segfault. This vulnerability was introduced by the fix for CVE-2026-66046.(CVE-2026-76641)\n\nlibexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. Thus, a use-after-free can occur. NOTE: this is similar to CVE-2026-50219, CVE-2026-56131 and CVE-2026-56412.(CVE-2026-76957)","status":"published","published":"2026-09-05T15:03:45Z","modified":"2026-09-05T15:16:35.236097737Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:47.217107Z"},{"id":"OESA-2026-3670","title":"expat security update","description":"expat is a stream-oriented XML parser library written in C. expat excels with files too large to fit RAM, and where performance and flexibility are crucial.\r\n\r\nSecurity Fix(es):\n\nExpat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts() function in xmlparse.c, where processing N specified attributes with non-normalized values triggers an O(N^2) linear scan of elementType-\u0026gt;defaultAtts to determine CDATA status. A remote unauthenticated attacker can supply a single well-formed XML document of a few megabytes to an application parsing untrusted XML to cause excessive CPU consumption, resulting in denial of service without requiring authentication, external entity resolution, or non-default parser options.(CVE-2026-66046)\n\nExpat through 2.8.3 contains an out-of-bounds read vulnerability that allows attackers to trigger memory corruption by processing XML with external entity parsers created via XML_ExternalEntityParserCreate. A struct size mismatch between ELEMENT_TYPE members causes storeAtts to read the attIndex member past allocated memory boundaries, resulting in failure to normalize whitespace in non-CDATA attributes or a wild pointer dereference causing a segfault. This vulnerability was introduced by the fix for CVE-2026-66046.(CVE-2026-76641)\n\nlibexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. Thus, a use-after-free can occur. NOTE: this is similar to CVE-2026-50219, CVE-2026-56131 and CVE-2026-56412.(CVE-2026-76957)","status":"published","published":"2026-09-05T15:03:46Z","modified":"2026-09-05T15:16:35.486656407Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:47.217107Z"},{"id":"OESA-2026-3671","title":"expat security update","description":"expat is a stream-oriented XML parser library written in C. expat excels with files too large to fit RAM, and where performance and flexibility are crucial.\r\n\r\nSecurity Fix(es):\n\nExpat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts() function in xmlparse.c, where processing N specified attributes with non-normalized values triggers an O(N^2) linear scan of elementType-\u0026gt;defaultAtts to determine CDATA status. A remote unauthenticated attacker can supply a single well-formed XML document of a few megabytes to an application parsing untrusted XML to cause excessive CPU consumption, resulting in denial of service without requiring authentication, external entity resolution, or non-default parser options.(CVE-2026-66046)\n\nExpat through 2.8.3 contains an out-of-bounds read vulnerability that allows attackers to trigger memory corruption by processing XML with external entity parsers created via XML_ExternalEntityParserCreate. A struct size mismatch between ELEMENT_TYPE members causes storeAtts to read the attIndex member past allocated memory boundaries, resulting in failure to normalize whitespace in non-CDATA attributes or a wild pointer dereference causing a segfault. This vulnerability was introduced by the fix for CVE-2026-66046.(CVE-2026-76641)\n\nlibexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. Thus, a use-after-free can occur. NOTE: this is similar to CVE-2026-50219, CVE-2026-56131 and CVE-2026-56412.(CVE-2026-76957)","status":"published","published":"2026-09-05T15:03:46Z","modified":"2026-09-05T15:16:36.832444328Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:47.217107Z"},{"id":"OESA-2026-3672","title":"expat security update","description":"expat is a stream-oriented XML parser library written in C. expat excels with files too large to fit RAM, and where performance and flexibility are crucial.\r\n\r\nSecurity Fix(es):\n\nExpat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts() function in xmlparse.c, where processing N specified attributes with non-normalized values triggers an O(N^2) linear scan of elementType-\u0026gt;defaultAtts to determine CDATA status. A remote unauthenticated attacker can supply a single well-formed XML document of a few megabytes to an application parsing untrusted XML to cause excessive CPU consumption, resulting in denial of service without requiring authentication, external entity resolution, or non-default parser options.(CVE-2026-66046)\n\nExpat through 2.8.3 contains an out-of-bounds read vulnerability that allows attackers to trigger memory corruption by processing XML with external entity parsers created via XML_ExternalEntityParserCreate. A struct size mismatch between ELEMENT_TYPE members causes storeAtts to read the attIndex member past allocated memory boundaries, resulting in failure to normalize whitespace in non-CDATA attributes or a wild pointer dereference causing a segfault. This vulnerability was introduced by the fix for CVE-2026-66046.(CVE-2026-76641)\n\nlibexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. Thus, a use-after-free can occur. NOTE: this is similar to CVE-2026-50219, CVE-2026-56131 and CVE-2026-56412.(CVE-2026-76957)","status":"published","published":"2026-09-05T15:03:47Z","modified":"2026-09-05T15:16:37.13833758Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:47.217107Z"},{"id":"OESA-2026-3837","title":"expat security update","description":"expat is a stream-oriented XML parser library written in C. expat excels with files too large to fit RAM, and where performance and flexibility are crucial.\r\n\r\nSecurity Fix(es):\n\nExpat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts() function in xmlparse.c, where processing N specified attributes with non-normalized values triggers an O(N^2) linear scan of elementType-\u0026gt;defaultAtts to determine CDATA status. A remote unauthenticated attacker can supply a single well-formed XML document of a few megabytes to an application parsing untrusted XML to cause excessive CPU consumption, resulting in denial of service without requiring authentication, external entity resolution, or non-default parser options.(CVE-2026-66046)\n\nExpat through 2.8.3 contains an out-of-bounds read vulnerability that allows attackers to trigger memory corruption by processing XML with external entity parsers created via XML_ExternalEntityParserCreate. A struct size mismatch between ELEMENT_TYPE members causes storeAtts to read the attIndex member past allocated memory boundaries, resulting in failure to normalize whitespace in non-CDATA attributes or a wild pointer dereference causing a segfault. This vulnerability was introduced by the fix for CVE-2026-66046.(CVE-2026-76641)\n\nlibexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. Thus, a use-after-free can occur. NOTE: this is similar to CVE-2026-50219, CVE-2026-56131 and CVE-2026-56412.(CVE-2026-76957)","status":"published","published":"2026-09-14T16:34:51Z","modified":"2026-09-13T16:45:46.381186976Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:47.643553Z"},{"id":"RHSA-2026:65568","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update","status":"published","published":"2026-09-09T10:20:37Z","modified":"2026-10-17T10:17:38Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:22.406388Z"},{"id":"RHSA-2026:72448","title":"Red Hat Security Advisory: expat security update","status":"published","published":"2026-09-29T10:18:21Z","modified":"2026-10-15T10:26:05Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:53:22.928316Z"},{"id":"RHSA-2026:72663","title":"Red Hat Security Advisory: expat security update","status":"published","published":"2026-09-30T10:17:41Z","modified":"2026-10-15T10:26:14Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:53:22.928316Z"},{"id":"RHSA-2026:74001","title":"Red Hat Security Advisory: expat security update","status":"published","published":"2026-10-01T10:21:13Z","modified":"2026-10-15T10:26:38Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:53:22.928316Z"},{"id":"RLSA-2026:72448","title":"Important: expat security update","description":"Expat is a C library for parsing XML documents.\n\nSecurity Fix(es):\n\n* expat: Expat: Denial of Service via quadratic complexity in attribute processing (CVE-2026-66046)\n\n* expat: Expat: XML Injection via Malformed UTF-16 Input (CVE-2026-93990)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","status":"published","published":"2026-09-29T06:01:09.34136Z","modified":"2026-09-29T06:30:02.654483045Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:26.449929Z"},{"id":"RLSA-2026:72663","title":"Important: expat security update","description":"Expat is a C library for parsing XML documents.\n\nSecurity Fix(es):\n\n* expat: Expat: Denial of Service via quadratic complexity in attribute processing (CVE-2026-66046)\n\n* expat: Expat: XML Injection via Malformed UTF-16 Input (CVE-2026-93990)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","status":"published","published":"2026-09-30T12:05:19.277561Z","modified":"2026-09-30T12:45:02.342570607Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:26.449929Z"},{"id":"RLSA-2026:74001","title":"Important: expat security update","description":"Expat is a C library for parsing XML documents.\n\nSecurity Fix(es):\n\n* expat: Expat: Denial of Service via quadratic complexity in attribute processing (CVE-2026-66046)\n\n* expat: Expat: XML Injection via Malformed UTF-16 Input (CVE-2026-93990)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","status":"published","published":"2026-10-01T12:08:49.381512Z","modified":"2026-10-01T12:30:03.455815449Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:26.449929Z"},{"id":"UBUNTU-CVE-2026-66046","description":"Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts() function in xmlparse.c, where processing N specified attributes with non-normalized values triggers an O(N^2) linear scan of elementType-\u003edefaultAtts to determine CDATA status. A remote unauthenticated attacker can supply a single well-formed XML document of a few megabytes to an application parsing untrusted XML to cause excessive CPU consumption, resulting in denial of service without requiring authentication, external entity resolution, or non-default parser options.","status":"published","published":"2026-08-18T15:16:00Z","modified":"2026-10-17T12:59:17.465168958Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"},{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T16:56:53.710209Z"},{"id":"ALSA-2026:72448","title":"Important: expat security update","description":"Expat is a C library for parsing XML documents.  \n\nSecurity Fix(es):  \n\n  * expat: Expat: Denial of Service via quadratic complexity in attribute processing (CVE-2026-66046)\n  * expat: Expat: XML Injection via Malformed UTF-16 Input (CVE-2026-93990)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","status":"published","published":"2026-09-28T00:00:00Z","modified":"2026-10-29T11:02:29.772544702Z","updated_at":"2026-11-02T15:27:55.200553Z"},{"id":"ALSA-2026:72663","title":"Important: expat security update","description":"Expat is a C library for parsing XML documents.  \n\nSecurity Fix(es):  \n\n  * expat: Expat: Denial of Service via quadratic complexity in attribute processing (CVE-2026-66046)\n  * expat: Expat: XML Injection via Malformed UTF-16 Input (CVE-2026-93990)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","status":"published","published":"2026-09-28T00:00:00Z","modified":"2026-10-29T11:32:37.663482472Z","updated_at":"2026-11-02T15:27:55.200553Z"},{"id":"ALSA-2026:74001","title":"Important: expat security update","description":"Expat is a C library for parsing XML documents.  \n\nSecurity Fix(es):  \n\n  * expat: Expat: Denial of Service via quadratic complexity in attribute processing (CVE-2026-66046)\n  * expat: Expat: XML Injection via Malformed UTF-16 Input (CVE-2026-93990)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n","status":"published","published":"2026-09-30T00:00:00Z","modified":"2026-10-29T11:30:49.61286572Z","updated_at":"2026-11-02T15:27:55.200553Z"},{"id":"AZL-96605","title":"CVE-2026-66046 affecting package expat for versions less than 2.8.3-2","description":"Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts() function in xmlparse.c, where processing N specified attributes with non-normalized values triggers an O(N^2) linear scan of elementType-\u003edefaultAtts to determine CDATA status. A remote unauthenticated attacker can supply a single well-formed XML document of a few megabytes to an application parsing untrusted XML to cause excessive CPU consumption, resulting in denial of service without requiring authentication, external entity resolution, or non-default parser options.","status":"published","published":"2026-08-18T15:16:57Z","modified":"2026-11-05T05:40:51Z","updated_at":"2026-11-05T16:41:26.077208Z"},{"id":"CLSA-2026-1790064092","title":"expat: Fix of CVE-2026-66046","description":"- CVE-2026-66046: resolve quadratic runtime in storeAtts() by migrating the\n  per-attribute isCdata lookup from a linear scan of elementType-\u003edefaultAtts\n  to a hash table lookup in elementType-\u003edefaultAttsNames, and carry the index\n  of an attribute's first declaration through dtdCopy() so that parsers created\n  by XML_ExternalEntityParserCreate resolve attributes the same way","status":"published","published":"2026-09-22T08:01:44Z","modified":"2026-10-26T09:31:44.162739457Z","updated_at":"2026-11-02T15:43:48.28229Z"},{"id":"CLSA-2026-1790153508","title":"expat: Fix of CVE-2026-66046","description":"- CVE-2026-66046: replace the linear scan of elementType-\u003edefaultAtts in\n  storeAtts() with a hash table lookup, and carry the attribute index over\n  in dtdCopy() so the lookup stays in bounds","status":"published","published":"2026-09-23T08:51:57Z","modified":"2026-10-26T09:31:35.744527055Z","updated_at":"2026-11-02T15:43:48.28229Z"},{"id":"CLSA-2026-1790239193","title":"expat: Fix of CVE-2026-66046","description":"- CVE-2026-66046: fix quadratic runtime in attribute value normalization by\n  resolving an attribute's declared type through the default-attribute hash\n  table instead of an O(n^2) scan of the element's default attributes","status":"published","published":"2026-09-24T08:40:04Z","modified":"2026-10-26T09:31:56.362730212Z","updated_at":"2026-11-02T15:43:48.28229Z"},{"id":"CLSA-2026-1790239270","title":"expat: Fix of CVE-2026-66046","description":"- CVE-2026-66046: fix quadratic runtime in attribute value normalization by\n  resolving an attribute's declared type through the default-attribute hash\n  table instead of an O(n^2) scan of the element's default attributes","status":"published","published":"2026-09-24T08:41:22Z","modified":"2026-10-26T09:31:59.138542336Z","updated_at":"2026-11-02T15:43:48.28229Z"},{"id":"CLSA-2026-1790239757","title":"expat: Fix of CVE-2026-66046","description":"- CVE-2026-66046: fix quadratic runtime in attribute value normalization by\n  resolving an attribute's declared type through the default-attribute hash\n  table instead of an O(n^2) scan of the element's default attributes","status":"published","published":"2026-09-24T09:11:39Z","modified":"2026-10-26T09:31:43.103418102Z","updated_at":"2026-11-02T15:43:48.28229Z"},{"id":"CLSA-2026-1790248267","title":"Fix CVE(s): CVE-2026-66046, CVE-2026-93990","description":"   * SECURITY UPDATE: quadratic runtime in the default-attribute lookup of\n     storeAtts(), and an out-of-bounds read in the same lookup for parsers\n     created by XML_ExternalEntityParserCreate()\n     - debian/patches/CVE-2026-66046.patch: in lib/xmlparse.c, replace the\n       linear scan over ELEMENT_TYPE.defaultAtts in storeAtts() with a lookup\n       in the already-present defaultAttForName hash table, and make dtdCopy()\n       create NAME_AND_DEFAULT_ATTRIBUTE-sized entries so storeAtts() no\n       longer reads member .attIndex past the end of an entry.\n     - CVE-2026-66046\n   * SECURITY UPDATE: a UTF-16 high surrogate not followed by a low surrogate\n     was accepted, letting the high surrogate swallow the following code unit\n     and hide it from the tokenizer\n     - debian/patches/CVE-2026-93990.patch: in lib/xmltok.c, add\n       LITTLE2_IS_INVALID_CHAR() / BIG2_IS_INVALID_CHAR() and wire them into\n       IS_INVALID_CHAR() for the little2_/big2_ tokenizers, so\n       INVALID_LEAD_CASE() in lib/xmltok_impl.c rejects a 4-byte UTF-16\n       character whose second code unit is not U+DC00..U+DFFF; drop the now\n       unreachable IS_INVALID_CHAR() no-op fallback in lib/xmltok_impl.c.\n     - CVE-2026-93990","status":"published","published":"2026-09-24T11:11:19Z","modified":"2026-10-26T09:32:02.167836224Z","updated_at":"2026-11-02T15:43:48.28229Z"},{"id":"CLSA-2026-1790290820","title":"Fix CVE(s): CVE-2026-66046, CVE-2026-93990","description":"   * SECURITY UPDATE: denial of service through quadratic runtime in the\n     default-attribute lookup performed by storeAtts()\n     - debian/patches/CVE-2026-66046.patch: resolve the CDATA-ness of a\n       specified attribute through the per-element defaultAttForName hash\n       table instead of a linear scan of defaultAtts, and fold in the\n       upstream follow-up that makes dtdCopy create entries of the same\n       size so storeAtts does not read .attIndex out of bounds (libexpat\n       PR #1321, PR #1331).\n     - CVE-2026-66046\n   * SECURITY UPDATE: malformed UTF-16 accepted because a high surrogate was\n     not required to be followed by a low surrogate\n     - debian/patches/CVE-2026-93990.patch: reject a 4-byte UTF-16 sequence\n       whose second code unit is not a low surrogate, in both the little2_\n       and big2_ tokenizers (libexpat PR #1282).\n     - CVE-2026-93990","status":"published","published":"2026-09-24T23:00:32Z","modified":"2026-10-26T09:32:04.27973554Z","updated_at":"2026-11-02T15:43:48.28229Z"},{"id":"CLSA-2026-1790802906","title":"expat: Fix of 3 CVEs","description":"- CVE-2026-66046: replace the linear scan of elementType-\u003edefaultAtts in\n  storeAtts() with a hash table lookup, and carry the attribute index\n  over in dtdCopy() so the lookup stays in bounds\n- CVE-2026-93990: reject a UTF-16 high surrogate that is not followed by\n  a low surrogate, so a lone high surrogate can no longer consume the\n  next code unit as a fake low and hide markup such as '\u003c' from the\n  tokenizer","status":"published","published":"2026-10-04T19:51:19Z","modified":"2026-10-26T09:30:50.813813623Z","updated_at":"2026-11-02T15:43:48.65893Z"},{"id":"CLSA-2026-1791195137","title":"Fix CVE(s): CVE-2026-66046, CVE-2026-76641, CVE-2026-93990","description":"   * SECURITY UPDATE: denial of service through quadratic runtime in the\n     default-attribute lookup performed by storeAtts()\n     - debian/patches/CVE-2026-66046.patch: resolve whether an attribute is\n       declared CDATA through the per-element defaultAttsNames hash table\n       instead of a linear scan of defaultAtts in expat/lib/xmlparse.c\n     - CVE-2026-66046\n   * SECURITY UPDATE: out-of-bounds read of .attIndex in storeAtts() for\n     parsers created by XML_ExternalEntityParserCreate()\n     - debian/patches/CVE-2026-76641.patch: make dtdCopy() create the\n       defaultAttsNames entries with the size of NAME_AND_DEFAULT_ATTRIBUTE\n       and carry the attribute index over in expat/lib/xmlparse.c\n     - CVE-2026-76641\n   * SECURITY UPDATE: malformed UTF-16 accepted because a high surrogate was\n     not required to be followed by a low surrogate\n     - debian/patches/CVE-2026-93990.patch: reject a UTF-16 high surrogate\n       whose second code unit is not a low surrogate in the little2_ and\n       big2_ tokenizers in expat/lib/xmltok.c and expat/lib/xmltok_impl.c\n     - CVE-2026-93990","status":"published","published":"2026-10-05T10:12:31Z","modified":"2026-10-26T09:31:40.161728785Z","updated_at":"2026-11-02T15:43:49.016976Z"},{"id":"CLSA-2026-1791254668","title":"Fix CVE(s): CVE-2026-66046, CVE-2026-93990","description":"   * SECURITY UPDATE: XML injection via malformed UTF-16 input: a high\n     surrogate not followed by a low surrogate is accepted and consumes\n     the following code unit, hiding markup characters from the parser\n     (libexpat through 2.8.4)\n     - debian/patches/CVE-2026-93990.patch: reject a UTF-16 high\n       surrogate whose second code unit is not a low surrogate by\n       defining IS_INVALID_CHAR (and isInvalid4 for XML_MIN_SIZE) for\n       the little2_/big2_ encodings; also carries upstream's regression\n       test into tests/runtests.c\n     - CVE-2026-93990\n   * SECURITY UPDATE: Denial of service via quadratic complexity in\n     storeAtts(), which scanned elementType-\u003edefaultAtts linearly to\n     determine the CDATA status of every non-normalized attribute\n     (libexpat through 2.8.3)\n     - debian/patches/CVE-2026-66046.patch: store the index of the first\n       default attribute declaration in the per-element hash table and\n       use a hash lookup instead of the linear scan; includes upstream's\n       follow-up for dtdCopy() so that external entity parsers do not\n       read past the hash table entries\n     - CVE-2026-66046","status":"published","published":"2026-10-06T02:44:39Z","modified":"2026-10-26T09:31:53.718710314Z","updated_at":"2026-11-02T15:43:49.016976Z"},{"id":"CLSA-2026-1791333112","title":"expat: Fix of 2 CVEs","description":"- CVE-2026-66046: fix quadratic runtime in storeAtts() by resolving an\n  attribute's declared type through the default-attribute hash table instead\n  of a linear scan of the element's default attributes\n- CVE-2026-93990: reject a UTF-16 high surrogate that is not followed by a\n  low surrogate, so malformed UTF-16 can no longer hide markup characters\n  from the tokenizer","status":"published","published":"2026-10-07T00:32:10Z","modified":"2026-10-26T09:31:40.756994407Z","updated_at":"2026-11-02T15:43:49.016976Z"},{"id":"CLSA-2026-1791333440","title":"expat: Fix of 2 CVEs","description":"- CVE-2026-66046: fix quadratic runtime in storeAtts() by resolving an\n  attribute's declared type through the default-attribute hash table instead\n  of a linear scan of the element's default attributes\n- CVE-2026-93990: reject a UTF-16 high surrogate that is not followed by a\n  low surrogate, so malformed UTF-16 can no longer hide markup characters\n  from the tokenizer","status":"published","published":"2026-10-07T00:37:31Z","modified":"2026-10-26T09:31:55.009383702Z","updated_at":"2026-11-02T15:43:49.016976Z"},{"id":"MGASA-2026-0378","title":"Updated mingw-expat \u0026 expat packages fix security vulnerabilities","description":"Expat Denial of Service via storeAtts() Quadratic Complexity.\n(CVE-2026-66046)\nExpat Out-of-Bounds Read via dtdCopy. (CVE-2026-76641)\nIn libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of\ngetentropy's return code leads to insufficient entropy, which results in\nbeing vulnerable to hash flooding attacks, causing a denial of service\nvia crafted XML content. (CVE-2026-76956)\nlibexpat before 2.8.4 lacks handler call depth tracking with custom\nencoding callbacks. Thus, a use-after-free can occur. (CVE-2026-76957)\n","status":"published","published":"2026-09-05T04:35:57Z","modified":"2026-09-05T04:45:03.218367744Z","updated_at":"2026-11-02T15:49:43.795591Z"},{"id":"openSUSE-SU-2026:11733-1","title":"expat-2.8.4-1.1 on GA media","description":"These are all security issues fixed in the expat-2.8.4-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-09-09T00:00:00Z","modified":"2026-09-10T18:23:22.57293477Z","updated_at":"2026-11-02T16:58:39.516824Z"},{"id":"openSUSE-SU-2026:21945-1","title":"Security update for expat","description":"This update for expat fixes the following issues:\n\n- CVE-2026-41080: crafted XML document can cause a denial of service (bsc#1262263).\n- CVE-2026-45186: In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a\n  denial of service via moderately sized crafted XML input (bsc#1264713).\n- CVE-2026-50219: libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_GetBuffer, XML_Parse,\n  XML_ParseBuffer, XML_ParserFree, or XML_ParserReset from within handlers in cases of a policy violation (bsc#1267631).\n- CVE-2026-56131: libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_ResumeParser from within\n  handlers in cases of a policy violation (bsc#1268572).\n- CVE-2026-56132: mishandled memory reallocation during array scaffolding in doProlog can cause heap-based buffer\n  overflows (bsc#1268573).\n- CVE-2026-56403: integer overflow in the storeAtts function can cause memory corruption and potential arbitrary code\n  execution (bsc#1275096).\n- CVE-2026-56404: integer overflow in the addBinding function can cause undersized memory allocations, memory\n  corruption, and application crashes (bsc#1275096).\n- CVE-2026-56405: integer overflow in the getAttributeId function can cause heap memory corruption and arbitrary\n  code execution (bsc#1275096).\n- CVE-2026-56406: missing bounds validation in XML_ParseBuffer can cause integer overflows, memory corruption, and\n  application crashes (bsc#1275096).\n- CVE-2026-56407: integer overflow in doProlog related to entity text length can cause memory corruption and denial\n  of service (bsc#1275096).\n- CVE-2026-56408: integer overflow in the copyString function can cause heap memory corruption and application crashes\n  (bsc#1275096).\n- CVE-2026-56409: integer overflow in the xmlwf utility output filename handling can allow path buffer corruption and\n  arbitrary file write conditions (bsc#1275096).\n- CVE-2026-56410: integer overflow in resolveSystemId within the xmlwf utility can cause memory corruption, information\n  disclosure, and potential code execution (bsc#1275096).\n- CVE-2026-56411: integer overflow in endDoctypeDecl via NOTATION declarations in xmlwf can cause memory corruption and\n  denial of service (bsc#1275096).\n- CVE-2026-56412: incomplete handler call depth tracking in doCdataSection can cause use-after-free\n  conditions and arbitrary code execution (bsc#1275096).\n- CVE-2026-66046: libexpat: denial of service vulnerability caused by quadratic algorithmic complexity in the\n  storeAtts() function in xmlparse.c (bsc#1275732).\n- CVE-2026-72522: libexpat: out-of-bounds read and resultant infinite loop due to low surrogates being treated the same\n  as high surrogates during Unicode processing (bsc#1275594).\n- CVE-2026-76641: Expat through 2.8.3 contains an out-of-bounds read vulnerability that allows attackers to trigger\n  memory corruption (bsc#1275915).\n- CVE-2026-76956: In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of getentropy's return code leads to\n  insufficient entropy, which results in being vulnerable to hash flooding attacks, causing a denial of service via\n  crafted X (bsc#1275860).\n- CVE-2026-76957: libexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. (bsc#1275859).\n\nChanges for expat:\n\n- Updated to version 2.8.4\n","status":"published","published":"2026-09-24T07:03:56Z","modified":"2026-09-25T18:23:14.327905672Z","updated_at":"2026-11-02T16:58:42.426393Z"},{"id":"openSUSE-SU-2026:22139-1","title":"Security update for MozillaFirefox","description":"This update for MozillaFirefox fixes the following issues:\nFirefox Extended Support Release 153.5.0 ESR (MFSA 2026-108, bsc#1284493):\n\n- CVE-2026-109704: Privilege escalation in the Application Update component.\n- CVE-2026-109705: Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the\n  Networking component.\n- CVE-2026-109706: Use-after-free in the Storage: IndexedDB component.\n- CVE-2026-109707: Sandbox escape due to use-after-free in the Networking component.\n- CVE-2026-109708: Sandbox escape due to incorrect boundary conditions in the Networking component.\n- CVE-2026-109709: Information disclosure, privilege escalation in the Security: Process Sandboxing component.\n- CVE-2026-109710: Use-after-free in the Graphics: Text component.\n- CVE-2026-109711: Use-after-free in the Graphics: Canvas2D component.\n- CVE-2026-109712: Sandbox escape due to uninitialized memory in the Graphics component.\n- CVE-2026-109713: Use-after-free in the Crash Reporting component.\n- CVE-2026-109715: Incorrect boundary conditions in the JavaScript Engine component.\n- CVE-2026-109716: Incorrect boundary conditions in the JavaScript Engine component.\n- CVE-2026-109717: Use-after-free in the DOM: Bindings (WebIDL) component.\n- CVE-2026-109718: Use-after-free in the XML component.\n- CVE-2026-109719: Race condition, use-after-free in the Graphics: CanvasWebGL component.\n- CVE-2026-109720: JIT miscompilation in the JavaScript: WebAssembly component.\n- CVE-2026-109721: Incorrect boundary conditions in the JavaScript Engine: JIT component.\n- CVE-2026-109722: JIT miscompilation in the JavaScript Engine: JIT component.\n- CVE-2026-109723: Integer overflow in the Layout: Text and Fonts component.\n- CVE-2026-109724: Use-after-free in the DOM: Core \u0026 HTML component.\n- CVE-2026-109725: Use-after-free in the DOM: Core \u0026 HTML component.\n- CVE-2026-109726: Use-after-free in the SVG component.\n- CVE-2026-109727: Use-after-free in the Audio/Video component.\n- CVE-2026-109728: Use-after-free in the DOM: Animation component.\n- CVE-2026-109729: Use-after-free in the JavaScript Engine: JIT component.\n- CVE-2026-109730: Integer overflow in the Graphics component.\n- CVE-2026-109731: Incorrect boundary conditions in the Graphics: Canvas2D component.\n- CVE-2026-109732: Use-after-free in the DOM: Streams component.\n- CVE-2026-109733: JIT miscompilation in the JavaScript Engine: JIT component.\n- CVE-2026-109734: Mitigation bypass in the DOM: Security component.\n- CVE-2026-109736: Frame poisoning in the Layout component.\n- CVE-2026-109737: Mitigation bypass in the Enterprise Policies component.\n- CVE-2026-109738: Use-after-free in the Audio/Video: Playback component.\n- CVE-2026-109740: Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component.\n- CVE-2026-109741: Use-after-free in the Storage: Bucket File System component.\n- CVE-2026-109742: Information disclosure in the PDF Viewer component.\n- CVE-2026-109743: Privilege escalation in the Panning and Zooming component.\n- CVE-2026-109744: Other issue in the DOM: File component.\n- CVE-2026-109745: Sandbox escape due to uninitialized memory in the DOM: Web Serial component.\n- CVE-2026-109751: Information disclosure in the Networking component.\n- CVE-2026-109752: Use-after-free in the DOM: Workers component.\n- CVE-2026-109753: Incorrect boundary conditions in the Layout component.\n- CVE-2026-109754: Incorrect boundary conditions in the DOM: Editor component.\n- CVE-2026-109756: Privilege escalation in the DOM: Navigation component.\n- CVE-2026-109757: Sandbox escape due to race condition in the Networking component.\n- CVE-2026-109759: Site isolation issue in the Networking component.\n- CVE-2026-109760: Mitigation bypass in the Networking: HTTP component.\n- CVE-2026-109762: Incorrect boundary conditions in the SVG component.\n- CVE-2026-109763: Mitigation bypass in the File Handling component.\n- CVE-2026-109764: Mitigation bypass in the Enterprise Policies component.\n- CVE-2026-109765: Race condition, use-after-free in the Graphics: Text component.\n- CVE-2026-109766: Mitigation bypass in the Enterprise Policies component.\n- CVE-2026-109767: Information disclosure in the Networking component.\n- CVE-2026-109770: Spoofing issue in the DOM: Web Serial component.\n- CVE-2026-109775: Denial-of-service in the WebRTC component.\n- CVE-2026-109776: Race condition in the XPCOM component.\n- CVE-2026-109777: Information disclosure in the Storage: IndexedDB component.\n- CVE-2026-109778: Privilege escalation in the WebExtensions component.\n- CVE-2026-109781: Denial-of-service in the Printing: Output component.\n- CVE-2026-109782: Mitigation bypass in the File Handling component.\n- CVE-2026-109783: Mitigation bypass in the File Handling component.\n\nlibexpat updated:\n\n- CVE-2026-32776: libexpat: NULL pointer dereference when processing empty external parameter entities inside\n  an entity declaration value. (bsc#1259727)\n- CVE-2026-32777: libexpat: denial of service due to infinite loop in DTD content parsing. (bsc#1259712)\n- CVE-2026-32778: libexpat: NULL pointer dereference in `setContext` on retry after an out-of-memory condition. (bsc#1259730)\n- CVE-2026-41080: libexpat: insufficient entropy, and thus hash flooding can occur via a crafted XML document. (bsc#1262263)\n- CVE-2026-45186: libexpat: computational complexity of attribute name collision checks allows a denial of service via moderately\n  sized crafted XML input. (bsc#1264713)\n- CVE-2026-50219: libexpat: Use-after-free vulnerability due to lack of handler call depth tracking in libexpat could lead to\n  information disclosure, integrity loss, or denial of service. (bsc#1275098)\n- CVE-2026-56131: libexpat: Use-after-free vulnerability due to a lack of handler call depth tracking for XML_ResumeParser in\n  libexpat could lead to denial of service. (bsc#1275098)\n- CVE-2026-56132: libexpat: Heap buffer overflow in doProlog due to mishandled array reallocation in libexpat could lead to\n  denial of service or memory corruption. (bsc#1275098)\n- CVE-2026-56403: libexpat: Integer overflow vulnerability in the storeAtts attribute parsing function in libexpat could lead\n  to memory corruption. (bsc#1275098)\n- CVE-2026-56404: libexpat: Integer overflow vulnerability in the addBinding routine of libexpat could lead to memory corruption\n  and potential security risks. (bsc#1275098)\n- CVE-2026-56405: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or denial of service. (bsc#1275098)\n- CVE-2026-56406: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or denial of service. (bsc#1275098)\n- CVE-2026-56407: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or denial of service. (bsc#1275098)\n- CVE-2026-56408: libexpat: Integer overflow vulnerability in the copyString function in libexpat could lead to memory corruption. (bsc#1275098)\n- CVE-2026-56409: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or denial of service. (bsc#1275098)\n- CVE-2026-56410: libexpat: Integer overflow vulnerability in the xmlwf utility of libexpat could lead to denial of service. (bsc#1275098)\n- CVE-2026-56411: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or denial of service. (bsc#1275098)\n- CVE-2026-56412: libexpat: Use-after-free vulnerability due to a lack of handler call depth tracking in libexpat could lead to denial of\n  service or memory corruption. (bsc#1275098)\n- CVE-2026-66046: libexpat: denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts() function\n  in xmlparse.c. (bsc#1275736)\n- CVE-2026-72522: libexpat: Out-of-bounds read and resultant infinite loop in the Unicode processing functions in libexpat allowed\n  attackers to cause denial of service. (bsc#1275605)\n- CVE-2026-76641: libexpat: Out-of-bounds read vulnerability caused by a struct size mismatch in libexpat allowed attackers to trigger\n  memory corruption or a crash. (bsc#1275736)\n- CVE-2026-76956: libexpat: Insufficient entropy caused by misinterpretation of getentropy's return code in libexpat allowed attackers\n  to cause a denial of service via hash flooding attacks. (bsc#1275736)\n- CVE-2026-76957: libexpat: Use-after-free vulnerability due to lack of handler call depth tracking with custom encoding callbacks in\n  libexpat could lead to memory corruption. (bsc#1275736)\n- CVE-2026-93990: libexpat: Improper handling of lone high surrogates in UTF-16 encoded XML in libexpat allowed attackers to pass unpaired\n  surrogates or silently replace input characters. (bsc#1282347)\n","status":"published","published":"2026-10-19T14:43:34Z","modified":"2026-10-22T17:23:12.292232274Z","updated_at":"2026-11-02T16:58:42.426393Z"},{"id":"ROOT-OS-DEBIAN-11-CVE-2026-66046","title":"CVE-2026-66046 in expat - Patched by Root","description":"Root has patched CVE-2026-66046 in the expat package for Root:Debian:11. Multiple fixed versions available.","status":"published","published":"2026-10-19T10:19:12Z","modified":"2026-10-19T11:15:04.517038591Z","updated_at":"2026-11-02T15:53:30.44348Z"},{"id":"ROOT-OS-DEBIAN-12-CVE-2026-66046","title":"CVE-2026-66046 in expat - Patched by Root","description":"Root has patched CVE-2026-66046 in the expat package for Root:Debian:12. Multiple fixed versions available.","status":"withdrawn","published":"2026-09-25T11:40:57Z","modified":"2026-10-06T19:00:05.811597998Z","updated_at":"2026-11-02T15:53:32.570806Z"},{"id":"ROOT-OS-DEBIAN-13-CVE-2026-66046","title":"CVE-2026-66046 in expat - Patched by Root","description":"Root has patched CVE-2026-66046 in the expat package for Root:Debian:13. Multiple fixed versions available.","status":"withdrawn","published":"2026-10-15T06:49:48Z","modified":"2026-10-19T13:00:05.100275682Z","updated_at":"2026-11-02T15:53:33.681527Z"},{"id":"SUSE-SU-2026:23894-1","title":"Security update for expat","description":"This update for expat fixes the following issues:\n\n- CVE-2026-41080: crafted XML document can cause a denial of service (bsc#1262263).\n- CVE-2026-45186: In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a\n  denial of service via moderately sized crafted XML input (bsc#1264713).\n- CVE-2026-50219: libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_GetBuffer, XML_Parse,\n  XML_ParseBuffer, XML_ParserFree, or XML_ParserReset from within handlers in cases of a policy violation (bsc#1267631).\n- CVE-2026-56131: libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_ResumeParser from within\n  handlers in cases of a policy violation (bsc#1268572).\n- CVE-2026-56132: mishandled memory reallocation during array scaffolding in doProlog can cause heap-based buffer\n  overflows (bsc#1268573).\n- CVE-2026-56403: integer overflow in the storeAtts function can cause memory corruption and potential arbitrary code\n  execution (bsc#1275096).\n- CVE-2026-56404: integer overflow in the addBinding function can cause undersized memory allocations, memory\n  corruption, and application crashes (bsc#1275096).\n- CVE-2026-56405: integer overflow in the getAttributeId function can cause heap memory corruption and arbitrary\n  code execution (bsc#1275096).\n- CVE-2026-56406: missing bounds validation in XML_ParseBuffer can cause integer overflows, memory corruption, and\n  application crashes (bsc#1275096).\n- CVE-2026-56407: integer overflow in doProlog related to entity text length can cause memory corruption and denial\n  of service (bsc#1275096).\n- CVE-2026-56408: integer overflow in the copyString function can cause heap memory corruption and application crashes\n  (bsc#1275096).\n- CVE-2026-56409: integer overflow in the xmlwf utility output filename handling can allow path buffer corruption and\n  arbitrary file write conditions (bsc#1275096).\n- CVE-2026-56410: integer overflow in resolveSystemId within the xmlwf utility can cause memory corruption, information\n  disclosure, and potential code execution (bsc#1275096).\n- CVE-2026-56411: integer overflow in endDoctypeDecl via NOTATION declarations in xmlwf can cause memory corruption and\n  denial of service (bsc#1275096).\n- CVE-2026-56412: incomplete handler call depth tracking in doCdataSection can cause use-after-free\n  conditions and arbitrary code execution (bsc#1275096).\n- CVE-2026-66046: libexpat: denial of service vulnerability caused by quadratic algorithmic complexity in the\n  storeAtts() function in xmlparse.c (bsc#1275732).\n- CVE-2026-72522: libexpat: out-of-bounds read and resultant infinite loop due to low surrogates being treated the same\n  as high surrogates during Unicode processing (bsc#1275594).\n- CVE-2026-76641: Expat through 2.8.3 contains an out-of-bounds read vulnerability that allows attackers to trigger\n  memory corruption (bsc#1275915).\n- CVE-2026-76956: In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of getentropy's return code leads to\n  insufficient entropy, which results in being vulnerable to hash flooding attacks, causing a denial of service via\n  crafted X (bsc#1275860).\n- CVE-2026-76957: libexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. (bsc#1275859).\n\nChanges for expat:\n\n- Updated to version 2.8.4\n","status":"published","published":"2026-09-24T07:07:13Z","modified":"2026-09-30T18:23:11.313620448Z","updated_at":"2026-11-02T15:54:03.991985Z"},{"id":"SUSE-SU-2026:23912-1","title":"Security update for expat","description":"This update for expat fixes the following issues:\n\n- CVE-2026-41080: crafted XML document can cause a denial of service (bsc#1262263).\n- CVE-2026-45186: In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a\n  denial of service via moderately sized crafted XML input (bsc#1264713).\n- CVE-2026-50219: libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_GetBuffer, XML_Parse,\n  XML_ParseBuffer, XML_ParserFree, or XML_ParserReset from within handlers in cases of a policy violation (bsc#1267631).\n- CVE-2026-56131: libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_ResumeParser from within\n  handlers in cases of a policy violation (bsc#1268572).\n- CVE-2026-56132: mishandled memory reallocation during array scaffolding in doProlog can cause heap-based buffer\n  overflows (bsc#1268573).\n- CVE-2026-56403: integer overflow in the storeAtts function can cause memory corruption and potential arbitrary code\n  execution (bsc#1275096).\n- CVE-2026-56404: integer overflow in the addBinding function can cause undersized memory allocations, memory\n  corruption, and application crashes (bsc#1275096).\n- CVE-2026-56405: integer overflow in the getAttributeId function can cause heap memory corruption and arbitrary\n  code execution (bsc#1275096).\n- CVE-2026-56406: missing bounds validation in XML_ParseBuffer can cause integer overflows, memory corruption, and\n  application crashes (bsc#1275096).\n- CVE-2026-56407: integer overflow in doProlog related to entity text length can cause memory corruption and denial\n  of service (bsc#1275096).\n- CVE-2026-56408: integer overflow in the copyString function can cause heap memory corruption and application crashes\n  (bsc#1275096).\n- CVE-2026-56409: integer overflow in the xmlwf utility output filename handling can allow path buffer corruption and\n  arbitrary file write conditions (bsc#1275096).\n- CVE-2026-56410: integer overflow in resolveSystemId within the xmlwf utility can cause memory corruption, information\n  disclosure, and potential code execution (bsc#1275096).\n- CVE-2026-56411: integer overflow in endDoctypeDecl via NOTATION declarations in xmlwf can cause memory corruption and\n  denial of service (bsc#1275096).\n- CVE-2026-56412: incomplete handler call depth tracking in doCdataSection can cause use-after-free\n  conditions and arbitrary code execution (bsc#1275096).\n- CVE-2026-66046: libexpat: denial of service vulnerability caused by quadratic algorithmic complexity in the\n  storeAtts() function in xmlparse.c (bsc#1275732).\n- CVE-2026-72522: libexpat: out-of-bounds read and resultant infinite loop due to low surrogates being treated the same\n  as high surrogates during Unicode processing (bsc#1275594).\n- CVE-2026-76641: Expat through 2.8.3 contains an out-of-bounds read vulnerability that allows attackers to trigger\n  memory corruption (bsc#1275915).\n- CVE-2026-76956: In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of getentropy's return code leads to\n  insufficient entropy, which results in being vulnerable to hash flooding attacks, causing a denial of service via\n  crafted X (bsc#1275860).\n- CVE-2026-76957: libexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. (bsc#1275859).\n\nChanges for expat:\n\n- Updated to version 2.8.4\n","status":"published","published":"2026-09-24T07:07:13Z","modified":"2026-09-30T18:23:12.534238624Z","updated_at":"2026-11-02T15:54:03.991985Z"},{"id":"SUSE-SU-2026:24260-1","title":"Security update for MozillaFirefox","description":"This update for MozillaFirefox fixes the following issues:\nFirefox Extended Support Release 153.5.0 ESR (MFSA 2026-108, bsc#1284493):\n\n- CVE-2026-109704: Privilege escalation in the Application Update component.\n- CVE-2026-109705: Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the\n  Networking component.\n- CVE-2026-109706: Use-after-free in the Storage: IndexedDB component.\n- CVE-2026-109707: Sandbox escape due to use-after-free in the Networking component.\n- CVE-2026-109708: Sandbox escape due to incorrect boundary conditions in the Networking component.\n- CVE-2026-109709: Information disclosure, privilege escalation in the Security: Process Sandboxing component.\n- CVE-2026-109710: Use-after-free in the Graphics: Text component.\n- CVE-2026-109711: Use-after-free in the Graphics: Canvas2D component.\n- CVE-2026-109712: Sandbox escape due to uninitialized memory in the Graphics component.\n- CVE-2026-109713: Use-after-free in the Crash Reporting component.\n- CVE-2026-109715: Incorrect boundary conditions in the JavaScript Engine component.\n- CVE-2026-109716: Incorrect boundary conditions in the JavaScript Engine component.\n- CVE-2026-109717: Use-after-free in the DOM: Bindings (WebIDL) component.\n- CVE-2026-109718: Use-after-free in the XML component.\n- CVE-2026-109719: Race condition, use-after-free in the Graphics: CanvasWebGL component.\n- CVE-2026-109720: JIT miscompilation in the JavaScript: WebAssembly component.\n- CVE-2026-109721: Incorrect boundary conditions in the JavaScript Engine: JIT component.\n- CVE-2026-109722: JIT miscompilation in the JavaScript Engine: JIT component.\n- CVE-2026-109723: Integer overflow in the Layout: Text and Fonts component.\n- CVE-2026-109724: Use-after-free in the DOM: Core \u0026 HTML component.\n- CVE-2026-109725: Use-after-free in the DOM: Core \u0026 HTML component.\n- CVE-2026-109726: Use-after-free in the SVG component.\n- CVE-2026-109727: Use-after-free in the Audio/Video component.\n- CVE-2026-109728: Use-after-free in the DOM: Animation component.\n- CVE-2026-109729: Use-after-free in the JavaScript Engine: JIT component.\n- CVE-2026-109730: Integer overflow in the Graphics component.\n- CVE-2026-109731: Incorrect boundary conditions in the Graphics: Canvas2D component.\n- CVE-2026-109732: Use-after-free in the DOM: Streams component.\n- CVE-2026-109733: JIT miscompilation in the JavaScript Engine: JIT component.\n- CVE-2026-109734: Mitigation bypass in the DOM: Security component.\n- CVE-2026-109736: Frame poisoning in the Layout component.\n- CVE-2026-109737: Mitigation bypass in the Enterprise Policies component.\n- CVE-2026-109738: Use-after-free in the Audio/Video: Playback component.\n- CVE-2026-109740: Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component.\n- CVE-2026-109741: Use-after-free in the Storage: Bucket File System component.\n- CVE-2026-109742: Information disclosure in the PDF Viewer component.\n- CVE-2026-109743: Privilege escalation in the Panning and Zooming component.\n- CVE-2026-109744: Other issue in the DOM: File component.\n- CVE-2026-109745: Sandbox escape due to uninitialized memory in the DOM: Web Serial component.\n- CVE-2026-109751: Information disclosure in the Networking component.\n- CVE-2026-109752: Use-after-free in the DOM: Workers component.\n- CVE-2026-109753: Incorrect boundary conditions in the Layout component.\n- CVE-2026-109754: Incorrect boundary conditions in the DOM: Editor component.\n- CVE-2026-109756: Privilege escalation in the DOM: Navigation component.\n- CVE-2026-109757: Sandbox escape due to race condition in the Networking component.\n- CVE-2026-109759: Site isolation issue in the Networking component.\n- CVE-2026-109760: Mitigation bypass in the Networking: HTTP component.\n- CVE-2026-109762: Incorrect boundary conditions in the SVG component.\n- CVE-2026-109763: Mitigation bypass in the File Handling component.\n- CVE-2026-109764: Mitigation bypass in the Enterprise Policies component.\n- CVE-2026-109765: Race condition, use-after-free in the Graphics: Text component.\n- CVE-2026-109766: Mitigation bypass in the Enterprise Policies component.\n- CVE-2026-109767: Information disclosure in the Networking component.\n- CVE-2026-109770: Spoofing issue in the DOM: Web Serial component.\n- CVE-2026-109775: Denial-of-service in the WebRTC component.\n- CVE-2026-109776: Race condition in the XPCOM component.\n- CVE-2026-109777: Information disclosure in the Storage: IndexedDB component.\n- CVE-2026-109778: Privilege escalation in the WebExtensions component.\n- CVE-2026-109781: Denial-of-service in the Printing: Output component.\n- CVE-2026-109782: Mitigation bypass in the File Handling component.\n- CVE-2026-109783: Mitigation bypass in the File Handling component.\n\nlibexpat updated:\n\n- CVE-2026-32776: libexpat: NULL pointer dereference when processing empty external parameter entities inside\n  an entity declaration value. (bsc#1259727)\n- CVE-2026-32777: libexpat: denial of service due to infinite loop in DTD content parsing. (bsc#1259712)\n- CVE-2026-32778: libexpat: NULL pointer dereference in `setContext` on retry after an out-of-memory condition. (bsc#1259730)\n- CVE-2026-41080: libexpat: insufficient entropy, and thus hash flooding can occur via a crafted XML document. (bsc#1262263)\n- CVE-2026-45186: libexpat: computational complexity of attribute name collision checks allows a denial of service via moderately\n  sized crafted XML input. (bsc#1264713)\n- CVE-2026-50219: libexpat: Use-after-free vulnerability due to lack of handler call depth tracking in libexpat could lead to\n  information disclosure, integrity loss, or denial of service. (bsc#1275098)\n- CVE-2026-56131: libexpat: Use-after-free vulnerability due to a lack of handler call depth tracking for XML_ResumeParser in\n  libexpat could lead to denial of service. (bsc#1275098)\n- CVE-2026-56132: libexpat: Heap buffer overflow in doProlog due to mishandled array reallocation in libexpat could lead to\n  denial of service or memory corruption. (bsc#1275098)\n- CVE-2026-56403: libexpat: Integer overflow vulnerability in the storeAtts attribute parsing function in libexpat could lead\n  to memory corruption. (bsc#1275098)\n- CVE-2026-56404: libexpat: Integer overflow vulnerability in the addBinding routine of libexpat could lead to memory corruption\n  and potential security risks. (bsc#1275098)\n- CVE-2026-56405: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or denial of service. (bsc#1275098)\n- CVE-2026-56406: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or denial of service. (bsc#1275098)\n- CVE-2026-56407: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or denial of service. (bsc#1275098)\n- CVE-2026-56408: libexpat: Integer overflow vulnerability in the copyString function in libexpat could lead to memory corruption. (bsc#1275098)\n- CVE-2026-56409: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or denial of service. (bsc#1275098)\n- CVE-2026-56410: libexpat: Integer overflow vulnerability in the xmlwf utility of libexpat could lead to denial of service. (bsc#1275098)\n- CVE-2026-56411: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or denial of service. (bsc#1275098)\n- CVE-2026-56412: libexpat: Use-after-free vulnerability due to a lack of handler call depth tracking in libexpat could lead to denial of\n  service or memory corruption. (bsc#1275098)\n- CVE-2026-66046: libexpat: denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts() function\n  in xmlparse.c. (bsc#1275736)\n- CVE-2026-72522: libexpat: Out-of-bounds read and resultant infinite loop in the Unicode processing functions in libexpat allowed\n  attackers to cause denial of service. (bsc#1275605)\n- CVE-2026-76641: libexpat: Out-of-bounds read vulnerability caused by a struct size mismatch in libexpat allowed attackers to trigger\n  memory corruption or a crash. (bsc#1275736)\n- CVE-2026-76956: libexpat: Insufficient entropy caused by misinterpretation of getentropy's return code in libexpat allowed attackers\n  to cause a denial of service via hash flooding attacks. (bsc#1275736)\n- CVE-2026-76957: libexpat: Use-after-free vulnerability due to lack of handler call depth tracking with custom encoding callbacks in\n  libexpat could lead to memory corruption. (bsc#1275736)\n- CVE-2026-93990: libexpat: Improper handling of lone high surrogates in UTF-16 encoded XML in libexpat allowed attackers to pass unpaired\n  surrogates or silently replace input characters. (bsc#1282347)\n","status":"published","published":"2026-10-19T15:16:56Z","modified":"2026-10-23T17:23:10.652324282Z","updated_at":"2026-11-02T15:54:04.519245Z"},{"id":"SUSE-SU-2026:24323-1","title":"Security update for expat","description":"This update for expat fixes the following issues:\n\n- CVE-2025-59375: denial of service (resource consumption) caused by processing malformed small documents (bsc#1249584).\n- CVE-2026-24515: NULL dereference (CWE-476) due to function XML_ExternalEntityParserCreate() failing to copy the\n  encoding handler data passed to XML_SetUnknownEncodingHandler() from the parent to the subparser (bsc#1257144).\n- CVE-2026-25210: lack of buffer size check can lead to an integer overflow (bsc#1257496).\n- CVE-2026-32776: NULL pointer dereference when processing empty external parameter entities inside an entity\n  declaration value (bsc#1259726).\n- CVE-2026-32777: denial of service due to infinite loop in DTD content parsing (bsc#1259711).\n- CVE-2026-32778: NULL pointer dereference in `setContext` on retry after an out-of-memory condition\n  (bsc#1259729).\n- CVE-2026-41080: crafted XML document can cause a denial of service (bsc#1262263).\n- CVE-2026-45186: denial of service via moderately sized crafted XML input (bsc#1264713).\n- CVE-2026-50219: lack of handler call depth tracking for calls to XML_* functions from within handlers in cases of a\n  policy violation (bsc#1267631).\n- CVE-2026-56131: lack of handler call depth tracking for calls to XML_ResumeParser from within\n  handlers in cases of a policy violation (bsc#1268572).\n- CVE-2026-56132: heap-based buffer overflow in doProlog in xmlparse.c (bsc#1268573).\n- CVE-2026-56403,CVE-2026-56404,CVE-2026-56405,CVE-2026-56406,\n  CVE-2026-56407,CVE-2026-56408,CVE-2026-56409,CVE-2026-56410,\n  CVE-2026-56411,CVE-2026-56412: multiple integer overflow vulnerabilities (bsc#1275115).\n- CVE-2026-66046: denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts()\n  function (bsc#1275732).\n- CVE-2026-72522: out-of-bounds read and resultant infinite loop due to low surrogates being treated the same\n  as high surrogates during Unicode processing (bsc#1275594).\n- CVE-2026-76641: out-of-bounds read vulnerability that allows attackers to trigger\n  memory corruption (bsc#1275915).\n- CVE-2026-76956: denial of service via hash flooding attacks (bsc#1275860).\n- CVE-2026-76957: lack of handler call depth tracking with custom encoding callbacks. Thus, a use-\n  after-free can occur (bsc#1275859).\n- CVE-2026-77214: out-of-bounds read due to insufficient checks in `XML_ParseBuffer()` (bsc#1284334).\n- CVE-2026-93990: fails to validate low surrogates following high surrogates in UTF-16 input (bsc#1282347).\n- CVE-2026-102633: Denial of Service via integer overflow in expat_realloc (bsc#1283493).\n\nUpdate to 2.8.5 (jsc#PED-16154):\n\n * Bug fixes:\n * Fix an OOM-related memory leak on a failed overflow check\n * Fix memory alignment for architectures with 128bit pointers\n * Mark XML_SetHashSalt deprecated\n * CMake: only add /source-charset:utf-8 when /utf-8 is not present\n * lib: resolve undefined behavior from overshifting a signed int\n * lib: support read-only hash table lookup with non-zero-terminated\n keys\n * lib: use a C99 bool for ENTITY.open\n * version info bumped from 13:3:12 to 13:4:12\n * fix support for 2+ GiB documents (regression from 2.8.2)\n * reject empty version in the XML declaration\n * fix printf format for AIX\n * CMake|AIX: enable EXPAT_DEV_URANDOM by default\n * version info bumped from 13:2:12 to 13:3:12\n * Existing API function XML_SetHashSalt is now deprecated\n * because of its limitations, and its use should be\n * considered a vulnerability. Please either use the new API\n * function XML_SetHashSalt16Bytes (with known-high-quality\n * entropy input only!) instead, or leave the derivation of\n * a 16-bytes hash salt from high quality entropy to Expat's\n * internal machinery (by *not* calling either of the two\n * XML_SetHashSalt* functions).\n * xmlwf: Fix a memory leak\n * WASI: Fix format specifiers for 32bit WASI SDK\n * Fix alignment of internal allocations for some non-amd64\n architectures (e.g. sparc32); fixes up on the fix to\n CVE-2025-59375 (of Expat 2.7.2)\n * Fix a class of false positives where input should have been\n rejected with error XML_ERROR_ASYNC_ENTITY; regression from\n CVE-2024-8176 (of Expat 2.7.0)\n * Prove and regression-proof absence of integer overflow\n from function expat_realloc\n * Remove \"harmless\" cast that truncated a size_t to unsigned\n * xmlwf: Resolve use of functions XML_GetErrorLineNumber\n and XML_GetErrorColumnNumber\n * CVE-2025-59375 -- Disallow use of disproportional amounts of\n dynamic memory from within an Expat parser\n * xmlwf: Fix (internal) help generator\n * xmlwf: Mention supported environment variables in\n","status":"published","published":"2026-10-17T13:49:25Z","modified":"2026-10-27T17:23:13.622800769Z","updated_at":"2026-11-02T15:54:04.519245Z"},{"id":"SUSE-SU-2026:24554-1","title":"Security update for expat","description":"This update for expat fixes the following issues:\n\n- CVE-2025-59375: denial of service (resource consumption) caused by processing malformed small documents (bsc#1249584).\n- CVE-2026-24515: NULL dereference (CWE-476) due to function XML_ExternalEntityParserCreate() failing to copy the\n  encoding handler data passed to XML_SetUnknownEncodingHandler() from the parent to the subparser (bsc#1257144).\n- CVE-2026-25210: lack of buffer size check can lead to an integer overflow (bsc#1257496).\n- CVE-2026-32776: NULL pointer dereference when processing empty external parameter entities inside an entity\n  declaration value (bsc#1259726).\n- CVE-2026-32777: denial of service due to infinite loop in DTD content parsing (bsc#1259711).\n- CVE-2026-32778: NULL pointer dereference in `setContext` on retry after an out-of-memory condition\n  (bsc#1259729).\n- CVE-2026-41080: crafted XML document can cause a denial of service (bsc#1262263).\n- CVE-2026-45186: denial of service via moderately sized crafted XML input (bsc#1264713).\n- CVE-2026-50219: lack of handler call depth tracking for calls to XML_* functions from within handlers in cases of a\n  policy violation (bsc#1267631).\n- CVE-2026-56131: lack of handler call depth tracking for calls to XML_ResumeParser from within\n  handlers in cases of a policy violation (bsc#1268572).\n- CVE-2026-56132: heap-based buffer overflow in doProlog in xmlparse.c (bsc#1268573).\n- CVE-2026-56403,CVE-2026-56404,CVE-2026-56405,CVE-2026-56406,\n  CVE-2026-56407,CVE-2026-56408,CVE-2026-56409,CVE-2026-56410,\n  CVE-2026-56411,CVE-2026-56412: multiple integer overflow vulnerabilities (bsc#1275115).\n- CVE-2026-66046: denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts()\n  function (bsc#1275732).\n- CVE-2026-72522: out-of-bounds read and resultant infinite loop due to low surrogates being treated the same\n  as high surrogates during Unicode processing (bsc#1275594).\n- CVE-2026-76641: out-of-bounds read vulnerability that allows attackers to trigger\n  memory corruption (bsc#1275915).\n- CVE-2026-76956: denial of service via hash flooding attacks (bsc#1275860).\n- CVE-2026-76957: lack of handler call depth tracking with custom encoding callbacks. Thus, a use-\n  after-free can occur (bsc#1275859).\n- CVE-2026-77214: out-of-bounds read due to insufficient checks in `XML_ParseBuffer()` (bsc#1284334).\n- CVE-2026-93990: fails to validate low surrogates following high surrogates in UTF-16 input (bsc#1282347).\n- CVE-2026-102633: Denial of Service via integer overflow in expat_realloc (bsc#1283493).\n\nChanges for expat:\n\nUpdate to 2.8.5 (jsc#PED-16154):\n\n * Bug fixes:\n * Fix an OOM-related memory leak on a failed overflow check\n * Fix memory alignment for architectures with 128bit pointers\n * Mark XML_SetHashSalt deprecated\n * CMake: only add /source-charset:utf-8 when /utf-8 is not present\n * lib: resolve undefined behavior from overshifting a signed int\n * lib: support read-only hash table lookup with non-zero-terminated\n keys\n * lib: use a C99 bool for ENTITY.open\n * version info bumped from 13:3:12 to 13:4:12\n * fix support for 2+ GiB documents (regression from 2.8.2)\n * reject empty version in the XML declaration\n * fix printf format for AIX\n * CMake|AIX: enable EXPAT_DEV_URANDOM by default\n * version info bumped from 13:2:12 to 13:3:12\n * Existing API function XML_SetHashSalt is now deprecated\n * because of its limitations, and its use should be\n * considered a vulnerability. Please either use the new API\n * function XML_SetHashSalt16Bytes (with known-high-quality\n * entropy input only!) instead, or leave the derivation of\n * a 16-bytes hash salt from high quality entropy to Expat's\n * internal machinery (by *not* calling either of the two\n * XML_SetHashSalt* functions).\n * xmlwf: Fix a memory leak\n * WASI: Fix format specifiers for 32bit WASI SDK\n * Fix alignment of internal allocations for some non-amd64\n architectures (e.g. sparc32); fixes up on the fix to\n CVE-2025-59375 (of Expat 2.7.2)\n * Fix a class of false positives where input should have been\n rejected with error XML_ERROR_ASYNC_ENTITY; regression from\n CVE-2024-8176 (of Expat 2.7.0)\n * Prove and regression-proof absence of integer overflow\n from function expat_realloc\n * Remove \"harmless\" cast that truncated a size_t to unsigned\n * xmlwf: Resolve use of functions XML_GetErrorLineNumber\n and XML_GetErrorColumnNumber\n * CVE-2025-59375 -- Disallow use of disproportional amounts of\n dynamic memory from within an Expat parser\n * xmlwf: Fix (internal) help generator\n * xmlwf: Mention supported environment variables in\n","status":"published","published":"2026-10-27T14:41:39Z","modified":"2026-11-07T17:23:17.381879846Z","updated_at":"2026-11-07T17:50:39.727056Z"},{"id":"SUSE-SU-2026:4615-1","title":"Security update for expat","description":"This update for expat fixes the following issues:\n\n- CVE-2025-59375: denial of service (resource consumption) caused by processing malformed small documents (bsc#1249584).\n- CVE-2026-24515: NULL dereference (CWE-476) due to function XML_ExternalEntityParserCreate() failing to copy the\n  encoding handler data passed to XML_SetUnknownEncodingHandler() from the parent to the subparser (bsc#1257144).\n- CVE-2026-25210: lack of buffer size check can lead to an integer overflow (bsc#1257496).\n- CVE-2026-32776: NULL pointer dereference when processing empty external parameter entities inside an entity\n  declaration value (bsc#1259726).\n- CVE-2026-32777: denial of service due to infinite loop in DTD content parsing (bsc#1259711).\n- CVE-2026-32778: NULL pointer dereference in `setContext` on retry after an out-of-memory condition\n  (bsc#1259729).\n- CVE-2026-41080: crafted XML document can cause a denial of service (bsc#1262263).\n- CVE-2026-45186: denial of service via moderately sized crafted XML input (bsc#1264713).\n- CVE-2026-50219: lack of handler call depth tracking for calls to XML_* functions from within handlers in cases of a\n  policy violation (bsc#1267631).\n- CVE-2026-56131: lack of handler call depth tracking for calls to XML_ResumeParser from within\n  handlers in cases of a policy violation (bsc#1268572).\n- CVE-2026-56132: heap-based buffer overflow in doProlog in xmlparse.c (bsc#1268573).\n- CVE-2026-56403,CVE-2026-56404,CVE-2026-56405,CVE-2026-56406,\n  CVE-2026-56407,CVE-2026-56408,CVE-2026-56409,CVE-2026-56410,\n  CVE-2026-56411,CVE-2026-56412: multiple integer overflow vulnerabilities (bsc#1275115).\n- CVE-2026-66046: denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts()\n  function (bsc#1275732).\n- CVE-2026-72522: out-of-bounds read and resultant infinite loop due to low surrogates being treated the same\n  as high surrogates during Unicode processing (bsc#1275594).\n- CVE-2026-76641: out-of-bounds read vulnerability that allows attackers to trigger\n  memory corruption (bsc#1275915).\n- CVE-2026-76956: denial of service via hash flooding attacks (bsc#1275860).\n- CVE-2026-76957: lack of handler call depth tracking with custom encoding callbacks. Thus, a use-\n  after-free can occur (bsc#1275859).\n- CVE-2026-77214: out-of-bounds read due to insufficient checks in `XML_ParseBuffer()` (bsc#1284334).\n- CVE-2026-93990: fails to validate low surrogates following high surrogates in UTF-16 input (bsc#1282347).\n- CVE-2026-102633: Denial of Service via integer overflow in expat_realloc (bsc#1283493).\n\nUpdate to 2.8.5 (jsc#PED-16154):\n\t\n * Bug fixes:\n * Fix an OOM-related memory leak on a failed overflow check\n * Fix memory alignment for architectures with 128bit pointers\n * Mark XML_SetHashSalt deprecated\n * CMake: only add /source-charset:utf-8 when /utf-8 is not present\n * lib: resolve undefined behavior from overshifting a signed int\n * lib: support read-only hash table lookup with non-zero-terminated\n keys\n * lib: use a C99 bool for ENTITY.open\n * version info bumped from 13:3:12 to 13:4:12\n * fix support for 2+ GiB documents (regression from 2.8.2)\n * reject empty version in the XML declaration\n * fix printf format for AIX\n * CMake|AIX: enable EXPAT_DEV_URANDOM by default\n * version info bumped from 13:2:12 to 13:3:12\n * Existing API function XML_SetHashSalt is now deprecated\n * because of its limitations, and its use should be\n * considered a vulnerability. Please either use the new API\n * function XML_SetHashSalt16Bytes (with known-high-quality\n * entropy input only!) instead, or leave the derivation of\n * a 16-bytes hash salt from high quality entropy to Expat's\n * internal machinery (by *not* calling either of the two\n * XML_SetHashSalt* functions).\n * xmlwf: Fix a memory leak\n * WASI: Fix format specifiers for 32bit WASI SDK\n * Fix alignment of internal allocations for some non-amd64\n architectures (e.g. sparc32); fixes up on the fix to\n CVE-2025-59375 (of Expat 2.7.2)\n * Fix a class of false positives where input should have been\n rejected with error XML_ERROR_ASYNC_ENTITY; regression from\n CVE-2024-8176 (of Expat 2.7.0)\n * Prove and regression-proof absence of integer overflow\n from function expat_realloc\n * Remove 'harmless' cast that truncated a size_t to unsigned\n * xmlwf: Resolve use of functions XML_GetErrorLineNumber\n and XML_GetErrorColumnNumber\n * CVE-2025-59375 -- Disallow use of disproportional amounts of\n dynamic memory from within an Expat parser\n * xmlwf: Fix (internal) help generator\n * xmlwf: Mention supported environment variables in\n","status":"published","published":"2026-10-12T07:20:23Z","modified":"2026-10-13T10:30:04.873577795Z","updated_at":"2026-11-02T15:54:05.838224Z"},{"id":"SUSE-SU-2026:4619-1","title":"Security update for expat","description":"This update for expat fixes the following issues:\n\n- CVE-2025-59375: denial of service (resource consumption) caused by processing malformed small documents (bsc#1249584).\n- CVE-2026-24515: NULL dereference (CWE-476) due to function XML_ExternalEntityParserCreate() failing to copy the\n  encoding handler data passed to XML_SetUnknownEncodingHandler() from the parent to the subparser (bsc#1257144).\n- CVE-2026-25210: lack of buffer size check can lead to an integer overflow (bsc#1257496).\n- CVE-2026-32776: NULL pointer dereference when processing empty external parameter entities inside an entity\n  declaration value (bsc#1259726).\n- CVE-2026-32777: denial of service due to infinite loop in DTD content parsing (bsc#1259711).\n- CVE-2026-32778: NULL pointer dereference in `setContext` on retry after an out-of-memory condition\n  (bsc#1259729).\n- CVE-2026-41080: crafted XML document can cause a denial of service (bsc#1262263).\n- CVE-2026-45186: denial of service via moderately sized crafted XML input (bsc#1264713).\n- CVE-2026-50219: lack of handler call depth tracking for calls to XML_* functions from within handlers in cases of a\n  policy violation (bsc#1267631).\n- CVE-2026-56131: lack of handler call depth tracking for calls to XML_ResumeParser from within\n  handlers in cases of a policy violation (bsc#1268572).\n- CVE-2026-56132: heap-based buffer overflow in doProlog in xmlparse.c (bsc#1268573).\n- CVE-2026-56403,CVE-2026-56404,CVE-2026-56405,CVE-2026-56406,\n  CVE-2026-56407,CVE-2026-56408,CVE-2026-56409,CVE-2026-56410,\n  CVE-2026-56411,CVE-2026-56412: multiple integer overflow vulnerabilities (bsc#1275115).\n- CVE-2026-66046: denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts()\n  function (bsc#1275732).\n- CVE-2026-72522: out-of-bounds read and resultant infinite loop due to low surrogates being treated the same\n  as high surrogates during Unicode processing (bsc#1275594).\n- CVE-2026-76641: out-of-bounds read vulnerability that allows attackers to trigger\n  memory corruption (bsc#1275915).\n- CVE-2026-76956: denial of service via hash flooding attacks (bsc#1275860).\n- CVE-2026-76957: lack of handler call depth tracking with custom encoding callbacks. Thus, a use-\n  after-free can occur (bsc#1275859).\n- CVE-2026-77214: out-of-bounds read due to insufficient checks in `XML_ParseBuffer()` (bsc#1284334).\n- CVE-2026-93990: fails to validate low surrogates following high surrogates in UTF-16 input (bsc#1282347).\n- CVE-2026-102633: Denial of Service via integer overflow in expat_realloc (bsc#1283493).\n\nUpdate to 2.8.5 (jsc#PED-16154):\n\t\n * Bug fixes:\n * Fix an OOM-related memory leak on a failed overflow check\n * Fix memory alignment for architectures with 128bit pointers\n * Mark XML_SetHashSalt deprecated\n * CMake: only add /source-charset:utf-8 when /utf-8 is not present\n * lib: resolve undefined behavior from overshifting a signed int\n * lib: support read-only hash table lookup with non-zero-terminated\n keys\n * lib: use a C99 bool for ENTITY.open\n * version info bumped from 13:3:12 to 13:4:12\n * fix support for 2+ GiB documents (regression from 2.8.2)\n * reject empty version in the XML declaration\n * fix printf format for AIX\n * CMake|AIX: enable EXPAT_DEV_URANDOM by default\n * version info bumped from 13:2:12 to 13:3:12\n * Existing API function XML_SetHashSalt is now deprecated\n * because of its limitations, and its use should be\n * considered a vulnerability. Please either use the new API\n * function XML_SetHashSalt16Bytes (with known-high-quality\n * entropy input only!) instead, or leave the derivation of\n * a 16-bytes hash salt from high quality entropy to Expat's\n * internal machinery (by *not* calling either of the two\n * XML_SetHashSalt* functions).\n * xmlwf: Fix a memory leak\n * WASI: Fix format specifiers for 32bit WASI SDK\n * Fix a class of false positives where input should have been\n   rejected with error XML_ERROR_ASYNC_ENTITY; regression from\n   earlier security fix (of Expat 2.7.0)\n * Prove and regression-proof absence of integer overflow\n from function expat_realloc\n * Remove 'harmless' cast that truncated a size_t to unsigned\n * xmlwf: Resolve use of functions XML_GetErrorLineNumber\n   and XML_GetErrorColumnNumber\n * CVE-2025-59375 -- Disallow use of disproportional amounts of\n   dynamic memory from within an Expat parser\n * xmlwf: Fix (internal) help generator\n * xmlwf: Mention supported environment variables in\n","status":"published","published":"2026-10-19T08:29:07Z","modified":"2026-10-19T09:43:18.179140646Z","updated_at":"2026-11-02T15:54:05.838224Z"},{"id":"SUSE-SU-2026:4623-1","title":"Security update for expat","description":"This update for expat fixes the following issues:\n  \n- CVE-2025-59375: denial of service (resource consumption) caused by processing malformed small documents (bsc#1249584).\n- CVE-2026-24515: NULL dereference (CWE-476) due to function XML_ExternalEntityParserCreate() failing to copy the\n  encoding handler data passed to XML_SetUnknownEncodingHandler() from the parent to the subparser (bsc#1257144).\n- CVE-2026-25210: lack of buffer size check can lead to an integer overflow (bsc#1257496).\n- CVE-2026-32776: NULL pointer dereference when processing empty external parameter entities inside an entity\n  declaration value (bsc#1259726).\n- CVE-2026-32777: denial of service due to infinite loop in DTD content parsing (bsc#1259711).\n- CVE-2026-32778: NULL pointer dereference in `setContext` on retry after an out-of-memory condition\n  (bsc#1259729).\n- CVE-2026-41080: crafted XML document can cause a denial of service (bsc#1262263).\n- CVE-2026-45186: denial of service via moderately sized crafted XML input (bsc#1264713).\n- CVE-2026-50219: lack of handler call depth tracking for calls to XML_* functions from within handlers in cases of a\n  policy violation (bsc#1267631).\n- CVE-2026-56131: lack of handler call depth tracking for calls to XML_ResumeParser from within\n  handlers in cases of a policy violation (bsc#1268572).\n- CVE-2026-56132: heap-based buffer overflow in doProlog in xmlparse.c (bsc#1268573).\n- CVE-2026-56403,CVE-2026-56404,CVE-2026-56405,CVE-2026-56406,\n  CVE-2026-56407,CVE-2026-56408,CVE-2026-56409,CVE-2026-56410,\n  CVE-2026-56411,CVE-2026-56412: multiple integer overflow vulnerabilities (bsc#1275115).\n- CVE-2026-66046: denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts()\n  function (bsc#1275732).\n- CVE-2026-72522: out-of-bounds read and resultant infinite loop due to low surrogates being treated the same\n  as high surrogates during Unicode processing (bsc#1275594).\n- CVE-2026-76641: out-of-bounds read vulnerability that allows attackers to trigger\n  memory corruption (bsc#1275915).\n- CVE-2026-76956: denial of service via hash flooding attacks (bsc#1275860).\n- CVE-2026-76957: lack of handler call depth tracking with custom encoding callbacks. Thus, a use-\n  after-free can occur (bsc#1275859).\n- CVE-2026-77214: out-of-bounds read due to insufficient checks in `XML_ParseBuffer()` (bsc#1284334).\n- CVE-2026-93990: fails to validate low surrogates following high surrogates in UTF-16 input (bsc#1282347).\n- CVE-2026-102633: Denial of Service via integer overflow in expat_realloc (bsc#1283493).\n\nUpdate to 2.8.5 (jsc#PED-16154):\n\t\n * Bug fixes:\n * Fix an OOM-related memory leak on a failed overflow check\n * Fix memory alignment for architectures with 128bit pointers\n * Mark XML_SetHashSalt deprecated\n * CMake: only add /source-charset:utf-8 when /utf-8 is not present\n * lib: resolve undefined behavior from overshifting a signed int\n * lib: support read-only hash table lookup with non-zero-terminated\n keys\n * lib: use a C99 bool for ENTITY.open\n * version info bumped from 13:3:12 to 13:4:12\n * fix support for 2+ GiB documents (regression from 2.8.2)\n * reject empty version in the XML declaration\n * fix printf format for AIX\n * CMake|AIX: enable EXPAT_DEV_URANDOM by default\n * version info bumped from 13:2:12 to 13:3:12\n * Existing API function XML_SetHashSalt is now deprecated\n * because of its limitations, and its use should be\n * considered a vulnerability. Please either use the new API\n * function XML_SetHashSalt16Bytes (with known-high-quality\n * entropy input only!) instead, or leave the derivation of\n * a 16-bytes hash salt from high quality entropy to Expat's\n * internal machinery (by *not* calling either of the two\n * XML_SetHashSalt* functions).\n * xmlwf: Fix a memory leak\n * WASI: Fix format specifiers for 32bit WASI SDK\n * Fix alignment of internal allocations for some non-amd64\n architectures (e.g. sparc32); fixes up on the fix to\n CVE-2025-59375 (of Expat 2.7.2)\n * Fix a class of false positives where input should have been\n rejected with error XML_ERROR_ASYNC_ENTITY; regression from\n CVE-2024-8176 (of Expat 2.7.0)\n * Prove and regression-proof absence of integer overflow\n from function expat_realloc\n * Remove 'harmless' cast that truncated a size_t to unsigned\n * xmlwf: Resolve use of functions XML_GetErrorLineNumber\n and XML_GetErrorColumnNumber\n * CVE-2025-59375 -- Disallow use of disproportional amounts of\n dynamic memory from within an Expat parser\n * xmlwf: Fix (internal) help generator\n * xmlwf: Mention supported environment variables in\n","status":"published","published":"2026-10-12T07:27:49Z","modified":"2026-10-13T10:30:05.847197418Z","updated_at":"2026-11-02T15:54:05.838224Z"},{"id":"SUSE-SU-2026:4736-1","title":"Security update for MozillaThunderbird","description":"This update for MozillaThunderbird fixes the following issues:\n\nUpdate to Mozilla Thunderbird 153.5 (MFSA 2026-110, bsc#1284493):\n\n- CVE-2026-109704: Privilege escalation in the Application Update component.\n- CVE-2026-109705: Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the\n  Networking component.\n- CVE-2026-109706: Use-after-free in the Storage: IndexedDB component.\n- CVE-2026-109707: Sandbox escape due to use-after-free in the Networking component.\n- CVE-2026-109708: Sandbox escape due to incorrect boundary conditions in the Networking component.\n- CVE-2026-109709: Information disclosure, privilege escalation in the Security: Process Sandboxing component.\n- CVE-2026-109710: Use-after-free in the Graphics: Text component.\n- CVE-2026-109711: Use-after-free in the Graphics: Canvas2D component.\n- CVE-2026-109712: Sandbox escape due to uninitialized memory in the Graphics component.\n- CVE-2026-109713: Use-after-free in the Crash Reporting component.\n- CVE-2026-109715: Incorrect boundary conditions in the JavaScript Engine component.\n- CVE-2026-109716: Incorrect boundary conditions in the JavaScript Engine component.\n- CVE-2026-109717: Use-after-free in the DOM: Bindings (WebIDL) component.\n- CVE-2026-109718: Use-after-free in the XML component.\n- CVE-2026-109719: Race condition, use-after-free in the Graphics: CanvasWebGL component.\n- CVE-2026-109720: JIT miscompilation in the JavaScript: WebAssembly component.\n- CVE-2026-109721: Incorrect boundary conditions in the JavaScript Engine: JIT component.\n- CVE-2026-109722: JIT miscompilation in the JavaScript Engine: JIT component.\n- CVE-2026-109723: Integer overflow in the Layout: Text and Fonts component.\n- CVE-2026-109724: Use-after-free in the DOM: Core \u0026 HTML component.\n- CVE-2026-109725: Use-after-free in the DOM: Core \u0026 HTML component.\n- CVE-2026-109726: Use-after-free in the SVG component.\n- CVE-2026-109727: Use-after-free in the Audio/Video component.\n- CVE-2026-109728: Use-after-free in the DOM: Animation component.\n- CVE-2026-109729: Use-after-free in the JavaScript Engine: JIT component.\n- CVE-2026-109730: Integer overflow in the Graphics component.\n- CVE-2026-109731: Incorrect boundary conditions in the Graphics: Canvas2D component.\n- CVE-2026-109732: Use-after-free in the DOM: Streams component.\n- CVE-2026-109733: JIT miscompilation in the JavaScript Engine: JIT component.\n- CVE-2026-109734: Mitigation bypass in the DOM: Security component.\n- CVE-2026-109736: Frame poisoning in the Layout component.\n- CVE-2026-109737: Mitigation bypass in the Enterprise Policies component.\n- CVE-2026-109738: Use-after-free in the Audio/Video: Playback component.\n- CVE-2026-109740: Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component.\n- CVE-2026-109741: Use-after-free in the Storage: Bucket File System component.\n- CVE-2026-109742: Information disclosure in the PDF Viewer component.\n- CVE-2026-109743: Privilege escalation in the Panning and Zooming component.\n- CVE-2026-109744: Other issue in the DOM: File component.\n- CVE-2026-109745: Sandbox escape due to uninitialized memory in the DOM: Web Serial component.\n- CVE-2026-109751: Information disclosure in the Networking component.\n- CVE-2026-109752: Use-after-free in the DOM: Workers component.\n- CVE-2026-109753: Incorrect boundary conditions in the Layout component.\n- CVE-2026-109754: Incorrect boundary conditions in the DOM: Editor component.\n- CVE-2026-109756: Privilege escalation in the DOM: Navigation component.\n- CVE-2026-109757: Sandbox escape due to race condition in the Networking component.\n- CVE-2026-109759: Site isolation issue in the Networking component.\n- CVE-2026-109760: Mitigation bypass in the Networking: HTTP component.\n- CVE-2026-109762: Incorrect boundary conditions in the SVG component.\n- CVE-2026-109763: Mitigation bypass in the File Handling component.\n- CVE-2026-109764: Mitigation bypass in the Enterprise Policies component.\n- CVE-2026-109765: Race condition, use-after-free in the Graphics: Text component.\n- CVE-2026-109766: Mitigation bypass in the Enterprise Policies component.\n- CVE-2026-109767: Information disclosure in the Networking component.\n- CVE-2026-109770: Spoofing issue in the DOM: Web Serial component.\n- CVE-2026-109775: Denial-of-service in the WebRTC component.\n- CVE-2026-109776: Race condition in the XPCOM component.\n- CVE-2026-109777: Information disclosure in the Storage: IndexedDB component.\n- CVE-2026-109778: Privilege escalation in the WebExtensions component.\n- CVE-2026-109781: Denial-of-service in the Printing: Output component.\n- CVE-2026-109782: Mitigation bypass in the File Handling component.\n- CVE-2026-109783: Mitigation bypass in the File Handling component.\n- CVE-2026-110249: Denial-of-service in the Exchange email component.\n\nlibexpat updated:\n \n- CVE-2026-50219: libexpat: Use-after-free vulnerability due to lack of handler call depth tracking in libexpat could lead to information disclosure, integrity loss, or denial of service (bsc#1275108).\n- CVE-2026-56131: libexpat: Use-after-free vulnerability due to a lack of handler call depth tracking for XML_ResumeParser in libexpat could lead to denial of service (bsc#1275108).\n- CVE-2026-56132: libexpat: Heap buffer overflow in doProlog due to mishandled array reallocation in libexpat could lead to denial of service or memory corruption (bsc#1275108).\n- CVE-2026-56403: libexpat: Integer overflow vulnerability in the storeAtts attribute parsing function in libexpat could lead to memory corruption (bsc#1275108).\n- CVE-2026-56404: libexpat: Integer overflow vulnerability in the addBinding routine of libexpat could lead to memory corruption and potential security risks (bsc#1275108).\n- CVE-2026-56405: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or denial of service (bsc#1275108).\n- CVE-2026-56406: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or denial of service (bsc#1275108).\n- CVE-2026-56407: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or denial of service (bsc#1275108).\n- CVE-2026-56408: libexpat: Integer overflow vulnerability in the copyString function in libexpat could lead to memory corruption (bsc#1275108).\n- CVE-2026-56409: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or denial of service (bsc#1275108).\n- CVE-2026-56410: libexpat: Integer overflow vulnerability in the xmlwf utility of libexpat could lead to denial of service (bsc#1275108).\n- CVE-2026-56411: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or denial of service (bsc#1275108).\n- CVE-2026-56412: libexpat: Use-after-free vulnerability due to a lack of handler call depth tracking in libexpat could lead to denial of service or memory corruption (bsc#1275108).\n- CVE-2026-66046: libexpat: denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts() function in xmlparse.c (bsc#1275736).\n- CVE-2026-72522: libexpat: Out-of-bounds read and resultant infinite loop in the Unicode processing functions in libexpat allowed attackers to cause denial of service (bsc#1275605).\n- CVE-2026-76641: libexpat: Out-of-bounds read vulnerability caused by a struct size mismatch in libexpat allowed attackers to trigger memory corruption or a crash (bsc#1275736).\n- CVE-2026-76956: libexpat: Insufficient entropy caused by misinterpretation of getentropy's return code in libexpat allowed attackers to cause a denial of service via hash flooding attacks (bsc#1275736).\n- CVE-2026-76957: libexpat: Use-after-free vulnerability due to lack of handler call depth tracking with custom encoding callbacks in libexpat could lead to memory corruption (bsc#1275736).\n- CVE-2026-93990: libexpat: Improper handling of lone high surrogates in UTF-16 encoded XML in libexpat allowed attackers to pass unpaired surrogates or silently replace input characters (bsc#1282347).\n","status":"published","published":"2026-10-19T12:57:04Z","modified":"2026-10-20T10:45:04.190986882Z","updated_at":"2026-11-02T15:54:05.838224Z"},{"id":"SUSE-SU-2026:4806-1","title":"Security update for MozillaFirefox","description":"This update for MozillaFirefox fixes the following issues:\n\nFirefox Extended Support Release 153.5.0 ESR (MFSA 2026-108, bsc#1284493):\n  \n- CVE-2026-109704: Privilege escalation in the Application Update component.\n- CVE-2026-109705: Sandbox escape, site isolation issue due to incorrect boundary conditions, use-after-free in the\n  Networking component.\n- CVE-2026-109706: Use-after-free in the Storage: IndexedDB component.\n- CVE-2026-109707: Sandbox escape due to use-after-free in the Networking component.\n- CVE-2026-109708: Sandbox escape due to incorrect boundary conditions in the Networking component.\n- CVE-2026-109709: Information disclosure, privilege escalation in the Security: Process Sandboxing component.\n- CVE-2026-109710: Use-after-free in the Graphics: Text component.\n- CVE-2026-109711: Use-after-free in the Graphics: Canvas2D component.\n- CVE-2026-109712: Sandbox escape due to uninitialized memory in the Graphics component.\n- CVE-2026-109713: Use-after-free in the Crash Reporting component.\n- CVE-2026-109715: Incorrect boundary conditions in the JavaScript Engine component.\n- CVE-2026-109716: Incorrect boundary conditions in the JavaScript Engine component.\n- CVE-2026-109717: Use-after-free in the DOM: Bindings (WebIDL) component.\n- CVE-2026-109718: Use-after-free in the XML component.\n- CVE-2026-109719: Race condition, use-after-free in the Graphics: CanvasWebGL component.\n- CVE-2026-109720: JIT miscompilation in the JavaScript: WebAssembly component.\n- CVE-2026-109721: Incorrect boundary conditions in the JavaScript Engine: JIT component.\n- CVE-2026-109722: JIT miscompilation in the JavaScript Engine: JIT component.\n- CVE-2026-109723: Integer overflow in the Layout: Text and Fonts component.\n- CVE-2026-109724: Use-after-free in the DOM: Core \u0026 HTML component.\n- CVE-2026-109725: Use-after-free in the DOM: Core \u0026 HTML component.\n- CVE-2026-109726: Use-after-free in the SVG component.\n- CVE-2026-109727: Use-after-free in the Audio/Video component.\n- CVE-2026-109728: Use-after-free in the DOM: Animation component.\n- CVE-2026-109729: Use-after-free in the JavaScript Engine: JIT component.\n- CVE-2026-109730: Integer overflow in the Graphics component.\n- CVE-2026-109731: Incorrect boundary conditions in the Graphics: Canvas2D component.\n- CVE-2026-109732: Use-after-free in the DOM: Streams component.\n- CVE-2026-109733: JIT miscompilation in the JavaScript Engine: JIT component.\n- CVE-2026-109734: Mitigation bypass in the DOM: Security component.\n- CVE-2026-109736: Frame poisoning in the Layout component.\n- CVE-2026-109737: Mitigation bypass in the Enterprise Policies component.\n- CVE-2026-109738: Use-after-free in the Audio/Video: Playback component.\n- CVE-2026-109740: Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component.\n- CVE-2026-109741: Use-after-free in the Storage: Bucket File System component.\n- CVE-2026-109742: Information disclosure in the PDF Viewer component.\n- CVE-2026-109743: Privilege escalation in the Panning and Zooming component.\n- CVE-2026-109744: Other issue in the DOM: File component.\n- CVE-2026-109745: Sandbox escape due to uninitialized memory in the DOM: Web Serial component.\n- CVE-2026-109751: Information disclosure in the Networking component.\n- CVE-2026-109752: Use-after-free in the DOM: Workers component.\n- CVE-2026-109753: Incorrect boundary conditions in the Layout component.\n- CVE-2026-109754: Incorrect boundary conditions in the DOM: Editor component.\n- CVE-2026-109756: Privilege escalation in the DOM: Navigation component.\n- CVE-2026-109757: Sandbox escape due to race condition in the Networking component.\n- CVE-2026-109759: Site isolation issue in the Networking component.\n- CVE-2026-109760: Mitigation bypass in the Networking: HTTP component.\n- CVE-2026-109762: Incorrect boundary conditions in the SVG component.\n- CVE-2026-109763: Mitigation bypass in the File Handling component.\n- CVE-2026-109764: Mitigation bypass in the Enterprise Policies component.\n- CVE-2026-109765: Race condition, use-after-free in the Graphics: Text component.\n- CVE-2026-109766: Mitigation bypass in the Enterprise Policies component.\n- CVE-2026-109767: Information disclosure in the Networking component.\n- CVE-2026-109770: Spoofing issue in the DOM: Web Serial component.\n- CVE-2026-109775: Denial-of-service in the WebRTC component.\n- CVE-2026-109776: Race condition in the XPCOM component.\n- CVE-2026-109777: Information disclosure in the Storage: IndexedDB component.\n- CVE-2026-109778: Privilege escalation in the WebExtensions component.\n- CVE-2026-109781: Denial-of-service in the Printing: Output component.\n- CVE-2026-109782: Mitigation bypass in the File Handling component.\n- CVE-2026-109783: Mitigation bypass in the File Handling component.\n\nlibexpat updated:\n    \n- CVE-2026-50219: libexpat: Use-after-free vulnerability due to lack of handler call depth tracking in libexpat could lead to information disclosure, integrity loss, or denial of service (bsc#1275098).\n- CVE-2026-56131: libexpat: Use-after-free vulnerability due to a lack of handler call depth tracking for XML_ResumeParser in libexpat could lead to denial of service (bsc#1275098).\n- CVE-2026-56132: libexpat: Heap buffer overflow in doProlog due to mishandled array reallocation in libexpat could lead to denial of service or memory corruption (bsc#1275098).\n- CVE-2026-56403: libexpat: Integer overflow vulnerability in the storeAtts attribute parsing function in libexpat could lead to memory corruption (bsc#1275098).\n- CVE-2026-56404: libexpat: Integer overflow vulnerability in the addBinding routine of libexpat could lead to memory corruption and potential security risks (bsc#1275098).\n- CVE-2026-56405: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or denial of service (bsc#1275098).\n- CVE-2026-56406: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or denial of service (bsc#1275098).\n- CVE-2026-56407: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or denial of service (bsc#1275098).\n- CVE-2026-56408: libexpat: Integer overflow vulnerability in the copyString function in libexpat could lead to memory corruption (bsc#1275098).\n- CVE-2026-56409: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or denial of service (bsc#1275098).\n- CVE-2026-56410: libexpat: Integer overflow vulnerability in the xmlwf utility of libexpat could lead to denial of service (bsc#1275098).\n- CVE-2026-56411: libexpat: Integer overflow vulnerability in libexpat could lead to memory corruption or denial of service (bsc#1275098).\n- CVE-2026-56412: libexpat: Use-after-free vulnerability due to a lack of handler call depth tracking in libexpat could lead to denial of service or memory corruption (bsc#1275098).\n- CVE-2026-66046: libexpat: denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts() function in xmlparse.c (bsc#1275736).\n- CVE-2026-72522: libexpat: Out-of-bounds read and resultant infinite loop in the Unicode processing functions in libexpat allowed attackers to cause denial of service (bsc#1275605).\n- CVE-2026-76641: libexpat: Out-of-bounds read vulnerability caused by a struct size mismatch in libexpat allowed attackers to trigger memory corruption or a crash (bsc#1275736).\n- CVE-2026-76956: libexpat: Insufficient entropy caused by misinterpretation of getentropy's return code in libexpat allowed attackers to cause a denial of service via hash flooding attacks (bsc#1275736).\n- CVE-2026-76957: libexpat: Use-after-free vulnerability due to lack of handler call depth tracking with custom encoding callbacks in libexpat could lead to memory corruption (bsc#1275736).\n- CVE-2026-93990: libexpat: Improper handling of lone high surrogates in UTF-16 encoded XML in libexpat allowed attackers to pass unpaired surrogates or silently replace input characters (bsc#1282347).\n","status":"published","published":"2026-10-21T08:01:36Z","modified":"2026-10-21T20:02:16.0687972Z","updated_at":"2026-11-02T15:54:05.838224Z"}]},"sources_more":{"osv":2}}