{"id":"CVE-2026-97845","aliases":["EUVD-2026-124396","GHSA-qm3v-vpq6-gc2v","UBUNTU-CVE-2026-97845"],"status":"published","title":"Uncontrolled recursion vulnerability in QXmlSimpleReader XML parsing impacts Qt","description":"An uncontrolled recursion vulnerability has been discovered in the Qt QXmlSimpleReader XML parsing functionality of the Qt 5 Core Compatibility APIs module (Qt 6) and the Qt XML module (Qt 5).","severity":{"version":"4.0","score":4.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/R:U/U:Green","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-14","score":0.00129,"percentile":0.02559,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-674"],"published":"2026-11-12T13:08:43Z","modified":"2026-11-13T21:07:25Z","affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"qtstyleplugins-src","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.0.0-1build1","5.0.0-1build3"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"qtstyleplugins-src","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.0.0+git23.g335dbec-2build1","5.0.0+git23.g335dbec-2build2","5.0.0+git23.g335dbec-2build3","5.0.0+git23.g335dbec-2build4","5.0.0+git23.g335dbec-2build5"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"qtstyleplugins-src","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.0.0+git23.g335dbec-3ubuntu1","5.0.0+git23.g335dbec-3ubuntu2","5.0.0+git23.g335dbec-3ubuntu3","5.0.0+git23.g335dbec-3ubuntu4"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"qtstyleplugins-src","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.0.0+git23.g335dbec-4build1","5.0.0+git23.g335dbec-4build2","5.0.0+git23.g335dbec-4build3"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"qtstyleplugins-src","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.0.0+git23.g335dbec-6","5.0.0+git23.g335dbec-6build1","5.0.0+git23.g335dbec-6build3","5.0.0+git23.g335dbec-6build4","5.0.0+git23.g335dbec-6build5"]}],"products":[{"vendor":"qt","product":"qt"},{"vendor":"the qt company","product":"qt"}],"references":[{"url":"https://www.qt.io/security-advisories?search=CVE-2026-97845","tags":["vendor-advisory","report"]},{"url":"https://codereview.qt-project.org/c/qt/qt5compat/+/771290","tags":["patch","report"]},{"url":"https://codereview.qt-project.org/c/qt/qt5compat/+/774512","tags":["patch","report"]},{"url":"https://codereview.qt-project.org/c/qt/qt5compat/+/774513","tags":["patch","report"]},{"url":"https://codereview.qt-project.org/c/qt/qt5compat/+/774632","tags":["patch","report"]},{"url":"https://codereview.qt-project.org/c/qt/qt5compat/+/760219","tags":["patch","report"]},{"url":"https://codereview.qt-project.org/c/qt/qt5compat/+/760220","tags":["patch","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97845"},{"url":"https://github.com/advisories/GHSA-qm3v-vpq6-gc2v"},{"url":"https://ubuntu.com/security/CVE-2026-97845","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-97845","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-97845","title":"Uncontrolled recursion vulnerability in QXmlSimpleReader XML parsing impacts Qt","description":"An uncontrolled recursion vulnerability has been discovered in the Qt QXmlSimpleReader XML parsing functionality of the Qt 5 Core Compatibility APIs module (Qt 6) and the Qt XML module (Qt 5).","status":"published","published":"2026-11-12T13:08:43.473Z","modified":"2026-11-12T13:08:43.473Z","cvss":[{"version":"4.0","score":4.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/R:U/U:Green","level":"medium","assessor":"cna"}],"cwes":["CWE-674"],"updated_at":"2026-11-12T14:43:40.585109Z"}],"euvd":[{"id":"EUVD-2026-124396","description":"An uncontrolled recursion vulnerability has been discovered in the Qt QXmlSimpleReader XML parsing functionality of the Qt 5 Core Compatibility APIs module (Qt 6) and the Qt XML module (Qt 5).","status":"published","published":"2026-11-12T13:08:43Z","modified":"2026-11-12T13:08:43Z","cvss":[{"version":"4.0","score":4.3,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/R:U/U:Green","level":"medium"}],"updated_at":"2026-11-12T17:34:19.905469Z"}],"ghsa":[{"id":"GHSA-qm3v-vpq6-gc2v","title":"An uncontrolled recursion vulnerability has been discovered in the Qt QXmlSimpleReader XML...","description":"An uncontrolled recursion vulnerability has been discovered in the Qt QXmlSimpleReader XML parsing functionality of the Qt 5 Core Compatibility APIs module (Qt 6) and the Qt XML module (Qt 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