{"id":"CVE-2026-1485","aliases":["BELL-CVE-2026-1485","CLSA-2026-1776246056","CLSA-2026-1776329620","DEBIAN-CVE-2026-1485","DLA-4491-1","EUVD-2026-4835","GHSA-xc99-2v4m-jv2w","OESA-2026-1292","OESA-2026-1396","OESA-2026-1397","OESA-2026-1398","OESA-2026-1399","OESA-2026-1400","SUSE-SU-2026:0355-1","SUSE-SU-2026:0372-1","SUSE-SU-2026:0373-1","SUSE-SU-2026:20210-1","SUSE-SU-2026:20221-1","SUSE-SU-2026:20446-1","SUSE-SU-2026:20493-1","UBUNTU-CVE-2026-1485","USN-8017-1","openSUSE-SU-2026:10111-1","openSUSE-SU-2026:20150-1"],"status":"published","title":"Glib: glib: local denial of service via buffer underflow in content type parsing","description":"A flaw was found in Glib's content type parsing logic. This buffer underflow vulnerability occurs because the length of a header line is stored in a signed integer, which can lead to integer wraparound for very large inputs. This results in pointer underflow and out-of-bounds memory access. Exploitation requires a local user to install or process a specially crafted treemagic file, which can lead to local denial of service or application instability.","severity":{"version":"3.1","score":2.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00156,"percentile":0.04768,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-124","CWE-125"],"published":"2026-01-27T13:43:18Z","modified":"2026-11-06T17:53:47Z","fixes":[{"ecosystem":"Alpaquita:23","package":"glib","fixed_in":["2.74.7-r6"],"sources":["osv"]},{"ecosystem":"Alpaquita:25","package":"glib","fixed_in":["2.84.4-r3"],"sources":["osv"]},{"ecosystem":"Alpaquita:stream","package":"glib","fixed_in":["2.86.3-r2"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"glib2.0","fixed_in":["2.74.6-2+deb12u9"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"glib2.0","fixed_in":["2.84.4-3~deb13u3"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"glib2.0","fixed_in":["2.86.3-5"],"sources":["osv"]},{"ecosystem":"Ubuntu:22.04:LTS","package":"glib2.0","fixed_in":["2.72.4-0ubuntu2.9"],"sources":["osv"]},{"ecosystem":"Ubuntu:24.04:LTS","package":"glib2.0","fixed_in":["2.80.0-6ubuntu3.8"],"sources":["osv"]},{"ecosystem":"Ubuntu:25.10","package":"glib2.0","fixed_in":["2.86.0-2ubuntu0.3"],"sources":["osv"]},{"ecosystem":"Ubuntu:26.04:LTS","package":"glib2.0","fixed_in":["2.87.2-2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpaquita:23","package":"glib","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.74.1-r2"},{"fixed":"2.74.7-r6"}]}]},{"source":"osv","ecosystem":"Alpaquita:25","package":"glib","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.84.2-r0"},{"fixed":"2.84.4-r3"}]}]},{"source":"osv","ecosystem":"Alpaquita:stream","package":"glib","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.76.0-r1"},{"fixed":"2.86.3-r2"}]}]},{"source":"osv","ecosystem":"TuxCare:AlmaLinux:9.6","package":"glib2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.68.4-16.el9_6.3.tuxcare.els3"}]}],"bundled":5},{"source":"osv","ecosystem":"TuxCare:AlmaLinux:9.6","package":"glib2-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.68.4-16.el9_6.3.tuxcare.els3"}]}],"bundled":5},{"source":"osv","ecosystem":"TuxCare:AlmaLinux:9.6","package":"glib2-doc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.68.4-16.el9_6.3.tuxcare.els3"}]}],"bundled":5},{"source":"osv","ecosystem":"TuxCare:AlmaLinux:9.6","package":"glib2-static","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.68.4-16.el9_6.3.tuxcare.els3"}]}],"bundled":5},{"source":"osv","ecosystem":"TuxCare:AlmaLinux:9.6","package":"glib2-tests","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.68.4-16.el9_6.3.tuxcare.els3"}]}],"bundled":5},{"source":"osv","ecosystem":"TuxCare:AlmaLinux:9.2","package":"glib2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.68.4-6.el9.tuxcare.els6"}]}],"bundled":6},{"source":"osv","ecosystem":"TuxCare:AlmaLinux:9.2","package":"glib2-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.68.4-6.el9.tuxcare.els6"}]}],"bundled":6},{"source":"osv","ecosystem":"TuxCare:AlmaLinux:9.2","package":"glib2-doc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.68.4-6.el9.tuxcare.els6"}]}],"bundled":6},{"source":"osv","ecosystem":"TuxCare:AlmaLinux:9.2","package":"glib2-static","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.68.4-6.el9.tuxcare.els6"}]}],"bundled":6},{"source":"osv","ecosystem":"TuxCare:AlmaLinux:9.2","package":"glib2-tests","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.68.4-6.el9.tuxcare.els6"}]}],"bundled":6},{"source":"osv","ecosystem":"Debian:12","package":"glib2.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.74.6-2+deb12u9"}]}],"versions":["2.74.6-2","2.74.6-2+deb12u1","2.74.6-2+deb12u2","2.74.6-2+deb12u3","2.74.6-2+deb12u4","2.74.6-2+deb12u5","2.74.6-2+deb12u6","2.74.6-2+deb12u7","2.74.6-2+deb12u8"]},{"source":"osv","ecosystem":"Debian:13","package":"glib2.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.84.4-3~deb13u3"}]}],"versions":["2.84.3-1","2.84.4-1","2.84.4-2","2.84.4-3~deb13u1","2.84.4-3~deb13u2"]},{"source":"osv","ecosystem":"Debian:14","package":"glib2.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.86.3-5"}]}],"versions":["2.84.3-1","2.84.4-1","2.84.4-2","2.84.4-3","2.84.4-3~deb13u1","2.84.4-3~deb13u2","2.84.4-3~deb13u3","2.84.4-3~deb13u4","2.84.4-3~deb13u5","2.85.1-1","2.85.1-2","2.85.2-2","2.85.3-1","2.85.4-1","2.86.0-1","2.86.0-2","2.86.0-3","2.86.0-4","2.86.0-5","2.86.0-6","2.86.0-7","2.86.1-1","2.86.1-2","2.86.2-1","2.86.3-1","2.86.3-2","2.86.3-3","2.86.3-4"]},{"source":"osv","ecosystem":"Debian:11","package":"glib2.0","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.66.8-1+deb11u8"}]}],"versio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(rhoai)"}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2026-1485","tags":["vdb-entry","x_refsource_REDHAT","report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2433325","tags":["issue-tracking","x_refsource_REDHAT"]},{"url":"https://gitlab.gnome.org/GNOME/glib/-/issues/3871"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-1485","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-xc99-2v4m-jv2w"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2026-1485","tags":["advisory"]},{"url":"https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1776246056.html","tags":["advisory"]},{"url":"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1776329620.html","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-1485","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1292","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0988","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-1484","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1396","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-1489","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1397","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1398","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1399","tags":["advisory"]},{"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1400","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20260355-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1257353","tags":["report"]},{"url":"https://bugzilla.suse.com/1257354","tags":["report"]},{"url":"https://bugzilla.suse.com/1257355","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2026-1484","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-1485","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2026-1489","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20260372-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-20260373-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202620210-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1257049","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2026-0988","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202620221-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202620446-1/","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2026/suse-su-202620493-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1254297","tags":["report"]},{"url":"https://bugzilla.suse.com/1254662","tags":["report"]},{"url":"https://bugzilla.suse.com/1254878","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2025-13601","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-14087","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2025-14512","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2026-1485","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-1485","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-8017-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-1484","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2026-1489","tags":["report"]},{"url":"","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-1485","title":"Glib: glib: local denial of service via buffer underflow in content type parsing","description":"A flaw was found in Glib's content type parsing logic. This buffer underflow vulnerability occurs because the length of a header line is stored in a signed integer, which can lead to integer wraparound for very large inputs. This results in pointer underflow and out-of-bounds memory access. Exploitation requires a local user to install or process a specially crafted treemagic file, which can lead to local denial of service or application instability.","status":"published","published":"2026-01-27T13:43:18.098Z","modified":"2026-11-06T17:53:47.196Z","cvss":[{"version":"3.1","score":2.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L","level":"low","assessor":"cna"}],"cwes":["CWE-124"],"updated_at":"2026-11-06T18:59:08.498645Z"}],"euvd":[{"id":"EUVD-2026-4835","description":"A flaw was found in Glib's content type parsing logic. This buffer underflow vulnerability occurs because the length of a header line is stored in a signed integer, which can lead to integer wraparound for very large inputs. This results in pointer underflow and out-of-bounds memory access. Exploitation requires a local user to install or process a specially crafted treemagic file, which can lead to local denial of service or application instability.","status":"published","published":"2026-01-27T13:43:18Z","modified":"2026-11-06T17:53:47Z","cvss":[{"version":"3.1","score":2.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-06T19:05:52.672747Z"}],"ghsa":[{"id":"GHSA-xc99-2v4m-jv2w","title":"A flaw was found in Glib's content type parsing logic. This buffer underflow vulnerability occurs...","description":"A flaw was found in Glib's content type parsing logic. This buffer underflow vulnerability occurs because the length of a header line is stored in a signed integer, which can lead to integer wraparound for very large inputs. This results in pointer underflow and out-of-bounds memory access. Exploitation requires a local user to install or process a specially crafted treemagic file, which can lead to local denial of service or application instability.","status":"published","published":"2026-01-27T15:30:31Z","modified":"2026-03-18T18:31:11Z","cvss":[{"version":"3.1","score":2.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L","level":"low"}],"cwes":["CWE-124","CWE-125"],"updated_at":"2026-11-02T15:06:41.700997Z"}],"nvd":[{"id":"CVE-2026-1485","description":"A flaw was found in Glib's content type parsing logic. This buffer underflow vulnerability occurs because the length of a header line is stored in a signed integer, which can lead to integer wraparound for very large inputs. This results in pointer underflow and out-of-bounds memory access. Exploitation requires a local user to install or process a specially crafted treemagic file, which can lead to local denial of service or application instability.","status":"published","published":"2026-01-27T14:15:56.223Z","modified":"2026-11-06T18:18:11.723Z","cvss":[{"version":"3.1","score":2.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"}],"cwes":["CWE-124"],"updated_at":"2026-11-06T20:01:10.928276Z"}],"osv":[{"id":"BELL-CVE-2026-1485","status":"published","published":"2026-01-27T14:35:49.527066Z","modified":"2026-02-11T07:47:49.225188Z","cvss":[{"version":"3.1","score":2.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-02T15:28:23.037038Z"},{"id":"DEBIAN-CVE-2026-1485","description":"A flaw was found in Glib's content type parsing logic. This buffer underflow vulnerability occurs because the length of a header line is stored in a signed integer, which can lead to integer wraparound for very large inputs. This results in pointer underflow and out-of-bounds memory access. Exploitation requires a local user to install or process a specially crafted treemagic file, which can lead to local denial of service or application instability.","status":"published","published":"2026-01-27T14:15:56.223Z","modified":"2026-11-07T09:47:31.972195468Z","cvss":[{"version":"3.1","score":2.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-07T10:14:39.995311Z"},{"id":"OESA-2026-1292","title":"glib2 security update","description":"GLib is a bundle of three (formerly five) low-level system libraries written in C and developed mainly by GNOME. GLib\u0026amp;apos;s code was separated from GTK, so it can be used by software other than GNOME and has been developed in parallel ever since.\r\n\r\nSecurity Fix(es):\n\nInteger Overflow vulnerability in the g_buffered_input_stream_peek() function of the GLib library. The issue is caused by missing validation of the offset and count parameters, leading to an unsafe arithmetic operation during length calculation. When specially crafted values are provided, the offset + count computation may overflow, resulting in an incorrect size being passed to memcpy(). This can trigger a heap or stack buffer overflow and lead to a segmentation fault. Exploitation is subject to strict preconditions and primarily impacts availability by causing application crashes.(CVE-2026-0988)\n\nA flaw was found in the GLib Base64 encoding routine when processing very large input data. Due to incorrect use of integer types during length calculation, the library may miscalculate buffer boundaries. This can cause memory writes outside the allocated buffer. Applications that process untrusted or extremely large Base64 input using GLib may crash or behave unpredictably.(CVE-2026-1484)\n\nA flaw was found in Glib\u0026apos;s content type parsing logic. This buffer underflow vulnerability occurs because the length of a header line is stored in a signed integer, which can lead to integer wraparound for very large inputs. This results in pointer underflow and out-of-bounds memory access. Exploitation requires a local user to install or process a specially crafted treemagic file, which can lead to local denial of service or application instability.(CVE-2026-1485)","status":"published","published":"2026-02-06T11:10:19Z","modified":"2026-08-18T01:19:31.690886325Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:52:45.339366Z"},{"id":"OESA-2026-1396","title":"glib2 security update","description":"GLib is a bundle of three (formerly five) low-level system libraries written in C and developed mainly by GNOME. GLib\u0026amp;apos;s code was separated from GTK, so it can be used by software other than GNOME and has been developed in parallel ever since.\r\n\r\nSecurity Fix(es):\n\nA flaw was found in the GLib Base64 encoding routine when processing very large input data. Due to incorrect use of integer types during length calculation, the library may miscalculate buffer boundaries. This can cause memory writes outside the allocated buffer. Applications that process untrusted or extremely large Base64 input using GLib may crash or behave unpredictably.(CVE-2026-1484)\n\nA flaw was found in Glib\u0026apos;s content type parsing logic. This buffer underflow vulnerability occurs because the length of a header line is stored in a signed integer, which can lead to integer wraparound for very large inputs. This results in pointer underflow and out-of-bounds memory access. Exploitation requires a local user to install or process a specially crafted treemagic file, which can lead to local denial of service or application instability.(CVE-2026-1485)\n\nA flaw was found in GLib. An integer overflow vulnerability in its Unicode case conversion implementation can lead to memory corruption. By processing specially crafted and extremely large Unicode strings, an attacker could trigger an undersized memory allocation, resulting in out-of-bounds writes. This could cause applications utilizing GLib for string conversion to crash or become unstable. This vulnerability has an impact on confidentiality, integrity, and availability.(CVE-2026-1489)","status":"published","published":"2026-02-13T11:10:25Z","modified":"2026-08-18T01:19:55.277895322Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:52:45.721983Z"},{"id":"OESA-2026-1397","title":"glib2 security update","description":"GLib is a bundle of three (formerly five) low-level system libraries written in C and developed mainly by GNOME. GLib\u0026amp;apos;s code was separated from GTK, so it can be used by software other than GNOME and has been developed in parallel ever since.\r\n\r\nSecurity Fix(es):\n\nInteger Overflow vulnerability in the g_buffered_input_stream_peek() function of the GLib library. The issue is caused by missing validation of the offset and count parameters, leading to an unsafe arithmetic operation during length calculation. When specially crafted values are provided, the offset + count computation may overflow, resulting in an incorrect size being passed to memcpy(). This can trigger a heap or stack buffer overflow and lead to a segmentation fault. Exploitation is subject to strict preconditions and primarily impacts availability by causing application crashes.(CVE-2026-0988)\n\nA flaw was found in the GLib Base64 encoding routine when processing very large input data. Due to incorrect use of integer types during length calculation, the library may miscalculate buffer boundaries. This can cause memory writes outside the allocated buffer. Applications that process untrusted or extremely large Base64 input using GLib may crash or behave unpredictably.(CVE-2026-1484)\n\nA flaw was found in Glib\u0026apos;s content type parsing logic. This buffer underflow vulnerability occurs because the length of a header line is stored in a signed integer, which can lead to integer wraparound for very large inputs. This results in pointer underflow and out-of-bounds memory access. Exploitation requires a local user to install or process a specially crafted treemagic file, which can lead to local denial of service or application instability.(CVE-2026-1485)\n\nA flaw was found in GLib. An integer overflow vulnerability in its Unicode case conversion implementation can lead to memory corruption. By processing specially crafted and extremely large Unicode strings, an attacker could trigger an undersized memory allocation, resulting in out-of-bounds writes. This could cause applications utilizing GLib for string conversion to crash or become unstable. This vulnerability has an impact on confidentiality, integrity, and availability.(CVE-2026-1489)","status":"published","published":"2026-02-13T11:10:25Z","modified":"2026-08-18T01:19:33.87449135Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:52:45.721983Z"},{"id":"OESA-2026-1398","title":"glib2 security update","description":"GLib is a bundle of three (formerly five) low-level system libraries written in C and developed mainly by GNOME. GLib\u0026amp;apos;s code was separated from GTK, so it can be used by software other than GNOME and has been developed in parallel ever since.\r\n\r\nSecurity Fix(es):\n\nA flaw was found in the GLib Base64 encoding routine when processing very large input data. Due to incorrect use of integer types during length calculation, the library may miscalculate buffer boundaries. This can cause memory writes outside the allocated buffer. Applications that process untrusted or extremely large Base64 input using GLib may crash or behave unpredictably.(CVE-2026-1484)\n\nA flaw was found in Glib\u0026apos;s content type parsing logic. This buffer underflow vulnerability occurs because the length of a header line is stored in a signed integer, which can lead to integer wraparound for very large inputs. This results in pointer underflow and out-of-bounds memory access. Exploitation requires a local user to install or process a specially crafted treemagic file, which can lead to local denial of service or application instability.(CVE-2026-1485)\n\nA flaw was found in GLib. An integer overflow vulnerability in its Unicode case conversion implementation can lead to memory corruption. By processing specially crafted and extremely large Unicode strings, an attacker could trigger an undersized memory allocation, resulting in out-of-bounds writes. This could cause applications utilizing GLib for string conversion to crash or become unstable. This vulnerability has an impact on confidentiality, integrity, and availability.(CVE-2026-1489)","status":"published","published":"2026-02-13T11:10:25Z","modified":"2026-08-18T01:19:33.830006918Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:52:45.721983Z"},{"id":"OESA-2026-1399","title":"glib2 security update","description":"GLib is a bundle of three (formerly five) low-level system libraries written in C and developed mainly by GNOME. GLib\u0026amp;apos;s code was separated from GTK, so it can be used by software other than GNOME and has been developed in parallel ever since.\r\n\r\nSecurity Fix(es):\n\nInteger Overflow vulnerability in the g_buffered_input_stream_peek() function of the GLib library. The issue is caused by missing validation of the offset and count parameters, leading to an unsafe arithmetic operation during length calculation. When specially crafted values are provided, the offset + count computation may overflow, resulting in an incorrect size being passed to memcpy(). This can trigger a heap or stack buffer overflow and lead to a segmentation fault. Exploitation is subject to strict preconditions and primarily impacts availability by causing application crashes.(CVE-2026-0988)\n\nA flaw was found in the GLib Base64 encoding routine when processing very large input data. Due to incorrect use of integer types during length calculation, the library may miscalculate buffer boundaries. This can cause memory writes outside the allocated buffer. Applications that process untrusted or extremely large Base64 input using GLib may crash or behave unpredictably.(CVE-2026-1484)\n\nA flaw was found in Glib\u0026apos;s content type parsing logic. This buffer underflow vulnerability occurs because the length of a header line is stored in a signed integer, which can lead to integer wraparound for very large inputs. This results in pointer underflow and out-of-bounds memory access. Exploitation requires a local user to install or process a specially crafted treemagic file, which can lead to local denial of service or application instability.(CVE-2026-1485)","status":"published","published":"2026-02-13T11:10:25Z","modified":"2026-08-18T01:19:33.86322786Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:52:45.721983Z"},{"id":"OESA-2026-1400","title":"glib2 security update","description":"GLib is a bundle of three (formerly five) low-level system libraries written in C and developed mainly by GNOME. GLib\u0026amp;apos;s code was separated from GTK, so it can be used by software other than GNOME and has been developed in parallel ever since.\r\n\r\nSecurity Fix(es):\n\nA flaw was found in the GLib Base64 encoding routine when processing very large input data. Due to incorrect use of integer types during length calculation, the library may miscalculate buffer boundaries. This can cause memory writes outside the allocated buffer. Applications that process untrusted or extremely large Base64 input using GLib may crash or behave unpredictably.(CVE-2026-1484)\n\nA flaw was found in Glib\u0026apos;s content type parsing logic. This buffer underflow vulnerability occurs because the length of a header line is stored in a signed integer, which can lead to integer wraparound for very large inputs. This results in pointer underflow and out-of-bounds memory access. Exploitation requires a local user to install or process a specially crafted treemagic file, which can lead to local denial of service or application instability.(CVE-2026-1485)\n\nA flaw was found in GLib. An integer overflow vulnerability in its Unicode case conversion implementation can lead to memory corruption. By processing specially crafted and extremely large Unicode strings, an attacker could trigger an undersized memory allocation, resulting in out-of-bounds writes. This could cause applications utilizing GLib for string conversion to crash or become unstable. This vulnerability has an impact on confidentiality, integrity, and availability.(CVE-2026-1489)","status":"published","published":"2026-02-13T11:10:25Z","modified":"2026-08-18T01:19:55.272956993Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:52:45.721983Z"},{"id":"UBUNTU-CVE-2026-1485","description":"A flaw was found in Glib's content type parsing logic. This buffer underflow vulnerability occurs because the length of a header line is stored in a signed integer, which can lead to integer wraparound for very large inputs. This results in pointer underflow and out-of-bounds memory access. Exploitation requires a local user to install or process a specially crafted treemagic file, which can lead to local denial of service or application instability.","status":"published","published":"2026-01-27T14:15:00Z","modified":"2026-09-21T21:37:56.036799741Z","cvss":[{"version":"3.1","score":2.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-02T16:56:00.592716Z"},{"id":"CLSA-2026-1776246056","title":"glib2: Fix of 5 CVEs","description":"- CVE-2026-1489: fix integer overflow in Unicode case conversion functions\n- CVE-2026-1484: fix integer overflow in GLib Base64 encoding\n- CVE-2026-1485: fix buffer underflow in content type treemagic parsing\n- CVE-2026-0988: fix integer overflow in g_buffered_input_stream_peek()\n- CVE-2025-7039: fix integer overflow in temporary file creation","status":"published","published":"2026-04-15T23:18:17Z","modified":"2026-10-21T10:47:29.046209061Z","updated_at":"2026-11-02T15:43:44.009773Z"},{"id":"CLSA-2026-1776329620","title":"glib2: Fix of 6 CVEs","description":"- CVE-2026-1489: fix integer overflow in Unicode case conversion functions\n- CVE-2026-1484: fix integer overflow in GLib Base64 encoding\n- CVE-2025-14512: fix integer overflow in escape_byte_string() for byte\n  strings with many invalid characters\n- CVE-2026-1485: fix buffer underflow in content type treemagic parsing\n- CVE-2026-0988: fix integer overflow in g_buffered_input_stream_peek()\n- CVE-2025-7039: fix integer overflow in temporary file creation","status":"published","published":"2026-04-16T08:53:45Z","modified":"2026-10-21T10:46:21.849680576Z","updated_at":"2026-11-02T15:43:44.009773Z"},{"id":"DLA-4491-1","title":"glib2.0 - security update","status":"published","published":"2026-02-23T00:00:00Z","modified":"2026-02-23T11:30:33.00135Z","updated_at":"2026-11-02T15:46:12.7027Z"},{"id":"openSUSE-SU-2026:10111-1","title":"gio-branding-upstream-2.86.3-3.1 on GA media","description":"These are all security issues fixed in the gio-branding-upstream-2.86.3-3.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-01-29T00:00:00Z","modified":"2026-03-23T04:54:28.03998Z","updated_at":"2026-11-02T16:58:38.101535Z"},{"id":"openSUSE-SU-2026:20150-1","title":"Security update for glib2","description":"This update for glib2 fixes the following issues:\n\n- CVE-2026-1485: Fixed buffer underflow and out-of-bounds access due to integer wraparound in content type parsing (bsc#1257354).\n- CVE-2026-1484: Fixed buffer underflow and out-of-bounds access due to miscalculated buffer boundaries in the Base64 encoding routine (bsc#1257355).\n- CVE-2026-1489: Fixed undersized heap allocation followed by out-of-bounds access due to integer overflow in Unicode case conversion (bsc#1257353).\n- CVE-2026-0988: Fixed a potential integer overflow in g_buffered_input_stream_peek (bsc#1257049).\n","status":"published","published":"2026-02-02T12:41:24Z","modified":"2026-03-23T04:54:46.163479Z","updated_at":"2026-11-02T16:58:41.463445Z"},{"id":"SUSE-SU-2026:0355-1","title":"Security update for glib2","description":"This update for glib2 fixes the following issues:\n\n- CVE-2026-1485: Fixed buffer underflow and out-of-bounds access due to integer wraparound in content type parsing (bsc#1257354).\n- CVE-2026-1484: Fixed buffer underflow and out-of-bounds access due to miscalculated buffer boundaries in the Base64 encoding routine (bsc#1257355).\n- CVE-2026-1489: Fixed undersized heap allocation followed by out-of-bounds access due to integer overflow in Unicode case conversion (bsc#1257353).\n","status":"published","published":"2026-01-31T02:04:37Z","modified":"2026-03-23T04:52:10.36707Z","updated_at":"2026-11-02T15:54:00.846737Z"},{"id":"SUSE-SU-2026:0372-1","title":"Security update for glib2","description":"This update for glib2 fixes the following issues:\n\n- CVE-2026-1485: Fixed buffer underflow and out-of-bounds access due to integer wraparound in content type parsing (bsc#1257354).\n- CVE-2026-1484: Fixed buffer underflow and out-of-bounds access due to miscalculated buffer boundaries in the Base64 encoding routine (bsc#1257355).\n- CVE-2026-1489: Fixed undersized heap allocation followed by out-of-bounds access due to integer overflow in Unicode case conversion (bsc#1257353).\n","status":"published","published":"2026-02-04T01:43:44Z","modified":"2026-03-23T04:52:11.225533Z","updated_at":"2026-11-02T15:54:00.846737Z"},{"id":"SUSE-SU-2026:0373-1","title":"Security update for glib2","description":"This update for glib2 fixes the following issues:\n\n- CVE-2026-1485: Fixed buffer underflow and out-of-bounds access due to integer wraparound in content type parsing (bsc#1257354).\n- CVE-2026-1484: Fixed buffer underflow and out-of-bounds access due to miscalculated buffer boundaries in the Base64 encoding routine (bsc#1257355).\n- CVE-2026-1489: Fixed undersized heap allocation followed by out-of-bounds access due to integer overflow in Unicode case conversion (bsc#1257353).\n  ","status":"published","published":"2026-02-04T02:50:42Z","modified":"2026-03-23T04:52:11.375072Z","updated_at":"2026-11-02T15:54:00.846737Z"},{"id":"SUSE-SU-2026:20210-1","title":"Security update for glib2","description":"This update for glib2 fixes the following issues:\n\n- CVE-2026-1485: Fixed buffer underflow and out-of-bounds access due to integer wraparound in content type parsing (bsc#1257354).\n- CVE-2026-1484: Fixed buffer underflow and out-of-bounds access due to miscalculated buffer boundaries in the Base64 encoding routine (bsc#1257355).\n- CVE-2026-1489: Fixed undersized heap allocation followed by out-of-bounds access due to integer overflow in Unicode case conversion (bsc#1257353).\n- CVE-2026-0988: Fixed a potential integer overflow in g_buffered_input_stream_peek (bsc#1257049).\n","status":"published","published":"2026-02-02T12:37:18Z","modified":"2026-03-23T04:52:44.125177Z","updated_at":"2026-11-02T15:54:01.610851Z"},{"id":"SUSE-SU-2026:20221-1","title":"Security update for glib2","description":"This update for glib2 fixes the following issues:\n\n- CVE-2026-1485: Fixed buffer underflow and out-of-bounds access due to integer wraparound in content type parsing (bsc#1257354).\n- CVE-2026-1484: Fixed buffer underflow and out-of-bounds access due to miscalculated buffer boundaries in the Base64 encoding routine (bsc#1257355).\n- CVE-2026-1489: Fixed undersized heap allocation followed by out-of-bounds access due to integer overflow in Unicode case conversion (bsc#1257353).\n- CVE-2026-0988: Fixed a potential integer overflow in g_buffered_input_stream_peek (bsc#1257049).\n","status":"published","published":"2026-02-02T12:37:18Z","modified":"2026-03-23T04:52:44.466932Z","updated_at":"2026-11-02T15:54:01.610851Z"},{"id":"SUSE-SU-2026:20446-1","title":"Security update for glib2","description":"This update for glib2 fixes the following issues:\n\n- CVE-2026-1485: Fixed buffer underflow and out-of-bounds access due to integer wraparound in content type parsing (bsc#1257354).\n- CVE-2026-1484: Fixed buffer underflow and out-of-bounds access due to miscalculated buffer boundaries in the Base64 encoding routine (bsc#1257355).\n- CVE-2026-1489: Fixed undersized heap allocation followed by out-of-bounds access due to integer overflow in Unicode case conversion (bsc#1257353).\n- CVE-2026-0988: Fixed a potential integer overflow in g_buffered_input_stream_peek (bsc#1257049).\n","status":"published","published":"2026-02-16T14:25:53Z","modified":"2026-03-23T04:52:56.073634Z","updated_at":"2026-11-02T15:54:01.953589Z"},{"id":"SUSE-SU-2026:20493-1","title":"Security update for glib2","description":"This update for glib2 fixes the following issues:\n\n- CVE-2025-13601: Fixed integer overflow in in g_escape_uri_string() (bsc#1254297).\n- CVE-2025-14087: Fixed buffer underflow in GVariant parser leads to heap corruption (bsc#1254662).\n- CVE-2025-14512: Fixed integer Overflow in GLib GIO Attribute Escaping Causes Heap Buffer Overflow (bsc#1254878).\n- CVE-2026-1485: Fixed buffer underflow and out-of-bounds access due to integer wraparound in content type parsing (bsc#1257354).\n- CVE-2026-1484: Fixed buffer underflow and out-of-bounds access due to miscalculated buffer boundaries in the Base64 encoding routine (bsc#1257355).\n- CVE-2026-1489: Fixed undersized heap allocation followed by out-of-bounds access due to integer overflow in Unicode case conversion (bsc#1257353).\n- CVE-2026-0988: Fixed a potential integer overflow in g_buffered_input_stream_peek (bsc#1257049).\n","status":"published","published":"2026-02-17T09:52:57Z","modified":"2026-03-23T04:52:59.729017Z","updated_at":"2026-11-02T15:54:01.953589Z"},{"id":"USN-8017-1","title":"glib2.0 vulnerabilities","description":"It was discovered that GLib incorrectly parsed large Base64 data. An\nattacker could use this issue to cause GLib to crash, resulting in a\ndenial of service, or possibly execute arbitrary code. (CVE-2026-1484)\n\nIt was discovered that GLib incorrectly parsed certain treemagic files.\nAn attacker could use this issue to cause GLib to crash, resulting in a\ndenial of service, or possibly execute arbitrary code. (CVE-2026-1485)\n\nIt was discovered that GLib incorrectly handled Unicode case conversion.\nAn attacker could use this issue to cause GLib to crash, resulting in a\ndenial of service, or possibly execute arbitrary code. (CVE-2026-1489)","status":"published","published":"2026-02-05T13:12:58Z","modified":"2026-04-27T18:36:07.161786Z","updated_at":"2026-11-02T16:58:22.951676Z"}]}}