{"id":"CVE-2026-19248","aliases":["ALSA-2026:87082","ALSA-2026:93924","DEBIAN-CVE-2026-19248","EUVD-2026-80223","GHSA-j2w2-j66p-cjg6","OESA-2026-4212","OESA-2026-4344","OESA-2026-4345","OESA-2026-4346","OESA-2026-4721","OESA-2026-4722","OESA-2026-4723","RHSA-2026:59393","RHSA-2026:68801","RLSA-2026:87082","RLSA-2026:93924","UBUNTU-CVE-2026-19248"],"status":"published","title":"Unbounded recursion vulnerability in the QDomNode destructor of Qt XML impacts Qt","description":"QDomDocument XML parsing is vulnerable to a remotely-triggerable denial-of-service crash when processing untrusted 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recursion vulnerability in the QDomNode destructor of Qt XML impacts Qt","description":"QDomDocument XML parsing is vulnerable to a remotely-triggerable denial-of-service crash when processing untrusted input.","status":"published","published":"2026-09-16T06:37:40.652Z","modified":"2026-09-16T15:02:54.099Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/AU:N/R:U/V:D/RE:L","level":"high","assessor":"cna"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T13:47:17.512524Z"}],"euvd":[{"id":"EUVD-2026-80223","description":"QDomDocument XML parsing is vulnerable to a remotely-triggerable denial-of-service crash when processing untrusted input.","status":"published","published":"2026-09-16T06:37:40Z","modified":"2026-09-16T15:02:54Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/AU:N/R:U/V:D/RE:L","level":"high"}],"updated_at":"2026-11-02T17:28:15.854171Z"}],"ghsa":[{"id":"GHSA-j2w2-j66p-cjg6","title":"QDomDocument XML parsing is vulnerable to a remotely-triggerable denial-of-service crash when...","description":"QDomDocument XML parsing is vulnerable to a remotely-triggerable denial-of-service crash when processing untrusted input.","status":"published","published":"2026-09-16T09:30:24Z","modified":"2026-09-16T09:30:24Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/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:N/R:U/V:D/RE:L/U:X","level":"high"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T15:11:57.71972Z"}],"nvd":[{"id":"CVE-2026-19248","description":"QDomDocument XML parsing is vulnerable to a remotely-triggerable denial-of-service crash when processing untrusted input.","status":"published","published":"2026-09-16T07:16:32.943Z","modified":"2026-09-18T19:21:34.307Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/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:N/R:U/V:D/RE:L/U:X","level":"high","assessor":"secondary"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T14:12:48.287983Z"}],"osv":[{"id":"DEBIAN-CVE-2026-19248","description":"QDomDocument XML parsing is vulnerable to a remotely-triggerable denial-of-service crash when processing untrusted 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input.(CVE-2026-19248)","status":"published","published":"2026-09-30T13:47:39Z","modified":"2026-10-01T02:00:08.916790639Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/AU:N/R:U/V:D/RE:L","level":"high"}],"updated_at":"2026-11-02T15:52:47.643553Z"},{"id":"OESA-2026-4344","title":"qt5-qtbase security update","description":"Qt is a software toolkit for developing applications.\r\n\r\nSecurity Fix(es):\n\nQDomDocument XML parsing is vulnerable to a remotely-triggerable denial-of-service crash when processing untrusted input.(CVE-2026-19248)","status":"published","published":"2026-10-16T11:59:35Z","modified":"2026-10-16T12:15:19.461920204Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/AU:N/R:U/V:D/RE:L","level":"high"}],"updated_at":"2026-11-02T15:52:47.981622Z"},{"id":"OESA-2026-4345","title":"qt5-qtbase security update","description":"Qt is a software 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input.(CVE-2026-19248)","status":"published","published":"2026-10-16T11:59:36Z","modified":"2026-10-16T12:15:19.972243829Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/AU:N/R:U/V:D/RE:L","level":"high"}],"updated_at":"2026-11-02T15:52:47.981622Z"},{"id":"OESA-2026-4721","title":"qt6-qtbase security update","description":"Qt is a software toolkit for developing applications.\r\n\r\nSecurity Fix(es):\n\nA NULL pointer dereference vulnerability in the Qt QCborValue to JSON conversion of the Qt Core module.(CVE-2026-105924)\n\nOut-of-bounds read in the QAuthenticator NTLM authentication handling in the Qt Network module in Qt Group Qt allows remote attackers to obtain sensitive information (heap memory contents) or cause a denial of service (application crash) via a crafted NTLM challenge sent by a malicious server or proxy, when an application using QNetworkAccessManager or QTcpSocket authenticates with NTLM.(CVE-2026-105946)\n\nSpecially crafted CBOR input passed to QCborValue::fromCbor() in Qt Core can cause an out-of-bounds read, which may crash the application and could expose information.(CVE-2026-107157)\n\nQDomDocument XML parsing is vulnerable to a remotely-triggerable denial-of-service crash when processing untrusted input.(CVE-2026-19248)\n\nOut-of-bounds read (buffer over-read) in the HTTP Cache-Control response header parsing in the QtNetwork module in Qt Group Qt 6.0.0 through 6.8.8, and 6.9.0 through 6.11.1, allows remote attackers to cause a denial of service (application crash) via an excessively large Cache-Control header value returned by an untrusted or compromised HTTP server to an application using QNetworkAccessManager. Only the client side of the connection is affected and 32-bit builds are not affected; the out-of-bounds access is read-only, with no information disclosure and no code execution.(CVE-2026-76151)","status":"published","published":"2026-11-04T13:54:53Z","modified":"2026-11-04T14:00:07.383660712Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/AU:N/R:U/V:D/RE:L","level":"high"}],"updated_at":"2026-11-04T14:10:46.921518Z"},{"id":"OESA-2026-4722","title":"qt6-qtbase security update","description":"Qt is a software toolkit for developing applications.\r\n\r\nSecurity Fix(es):\n\nQDomDocument XML parsing is vulnerable to a remotely-triggerable denial-of-service crash when processing untrusted input.(CVE-2026-19248)\n\nOut-of-bounds read (buffer over-read) in the HTTP Cache-Control response header parsing in the QtNetwork module in Qt Group Qt 6.0.0 through 6.8.8, and 6.9.0 through 6.11.1, allows remote attackers to cause a denial of service (application crash) via an excessively large Cache-Control header value returned by an untrusted or compromised HTTP server to an application using QNetworkAccessManager. Only the client side of the connection is affected and 32-bit builds are not affected; the out-of-bounds access is read-only, with no information disclosure and no code execution.(CVE-2026-76151)","status":"published","published":"2026-11-04T13:54:54Z","modified":"2026-11-04T14:00:06.732158884Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/AU:N/R:U/V:D/RE:L","level":"high"}],"updated_at":"2026-11-04T14:10:46.921518Z"},{"id":"OESA-2026-4723","title":"qt6-qtbase security update","description":"Qt is a software toolkit for developing applications.\r\n\r\nSecurity Fix(es):\n\nA NULL pointer dereference vulnerability in the Qt QCborValue to JSON conversion of the Qt Core module.(CVE-2026-105924)\n\nOut-of-bounds read in the QAuthenticator NTLM authentication handling in the Qt Network module in Qt Group Qt allows remote attackers to obtain sensitive information (heap memory contents) or cause a denial of service (application crash) via a crafted NTLM challenge sent by a malicious server or proxy, when an application using QNetworkAccessManager or QTcpSocket authenticates with NTLM.(CVE-2026-105946)\n\nSpecially crafted CBOR input passed to QCborValue::fromCbor() in Qt Core can cause an out-of-bounds read, which may crash the application and could expose information.(CVE-2026-107157)\n\nQDomDocument XML parsing is vulnerable to a remotely-triggerable denial-of-service crash when processing untrusted input.(CVE-2026-19248)\n\nOut-of-bounds read (buffer over-read) in the HTTP Cache-Control response header parsing in the QtNetwork module in Qt Group Qt 6.0.0 through 6.8.8, and 6.9.0 through 6.11.1, allows remote attackers to cause a denial of service (application crash) via an excessively large Cache-Control header value returned by an untrusted or compromised HTTP server to an application using QNetworkAccessManager. Only the client side of the connection is affected and 32-bit builds are not affected; the out-of-bounds access is read-only, with no information disclosure and no code execution.(CVE-2026-76151)","status":"published","published":"2026-11-04T13:54:55Z","modified":"2026-11-04T14:00:06.885849363Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/AU:N/R:U/V:D/RE:L","level":"high"}],"updated_at":"2026-11-04T14:10:46.921518Z"},{"id":"RHSA-2026:59393","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update","status":"published","published":"2026-09-22T10:16:17Z","modified":"2026-09-24T10:42:34.459662674Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:53:21.91255Z"},{"id":"RHSA-2026:68801","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update","status":"published","published":"2026-09-22T10:19:31Z","modified":"2026-09-22T10:32:19.492352933Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:53:22.406388Z"},{"id":"RLSA-2026:87082","title":"Important: qt5-qtbase security update","description":"Qt is a software toolkit for developing applications. The qt5-base packages contain base tools for string, xml, and network handling in Qt. \n\nSecurity Fix(es):\n\n* qtbase: qt5-qtbase: qt6-qtbase: qtbase: Denial of Service via uncontrolled recursion in XML serialization (CVE-2026-11573)\n\n* qt5-qtbase: qt6-qtbase: Qt: Denial of Service vulnerability in XML parsing (CVE-2026-19248)\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":"2026-10-22T00:04:07.745746Z","modified":"2026-10-22T00:30:04.404110078Z","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":"2026-11-02T15:53:26.76659Z"},{"id":"RLSA-2026:93924","title":"Important: qt5-qtbase security update","description":"Qt is a software toolkit for developing applications. The qt5-base packages contain base tools for string, xml, and network handling in Qt. \n\nSecurity Fix(es):\n\n* qtbase: qt5-qtbase: qt6-qtbase: qtbase: Denial of Service via uncontrolled recursion in XML serialization (CVE-2026-11573)\n\n* qt5-qtbase: qt6-qtbase: Qt: Denial of Service vulnerability in XML parsing (CVE-2026-19248)\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":"2026-11-03T12:01:33.643841Z","modified":"2026-11-03T12:30:03.476157659Z","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":"2026-11-03T13:02:16.068655Z"},{"id":"UBUNTU-CVE-2026-19248","description":"QDomDocument XML parsing is vulnerable to a remotely-triggerable denial-of-service crash when processing untrusted input.","status":"published","published":"2026-09-16T07:16:00Z","modified":"2026-10-17T12:59:54.420785148Z","cvss":[{"version":"4.0","score":7.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/AU:N/R:U/V:D/RE:L","level":"high"}],"updated_at":"2026-11-02T16:56:01.334185Z"},{"id":"ALSA-2026:87082","title":"Important: qt5-qtbase security update","description":"Qt is a software toolkit for developing applications. The qt5-base packages contain base tools for string, xml, and network handling in Qt.   \n\nSecurity Fix(es):  \n\n  * qtbase: qt5-qtbase: qt6-qtbase: qtbase: Denial of Service via uncontrolled recursion in XML serialization (CVE-2026-11573)\n  * qt5-qtbase: qt6-qtbase: Qt: Denial of Service vulnerability in XML parsing (CVE-2026-19248)\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":"2026-10-21T00:00:00Z","modified":"2026-10-29T11:32:38.511037082Z","updated_at":"2026-11-02T15:27:57.367731Z"},{"id":"ALSA-2026:93924","title":"Important: qt5-qtbase security update","description":"Qt is a software toolkit for developing applications. The qt5-base packages contain base tools for string, xml, and network handling in Qt.   \n\nSecurity Fix(es):  \n\n  * qtbase: qt5-qtbase: qt6-qtbase: qtbase: Denial of Service via uncontrolled recursion in XML serialization (CVE-2026-11573)\n  * qt5-qtbase: qt6-qtbase: Qt: Denial of Service vulnerability in XML parsing (CVE-2026-19248)\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":"2026-11-02T00:00:00Z","modified":"2026-11-03T12:15:02.396865754Z","updated_at":"2026-11-03T12:31:37.107381Z"}]}}