{"affected":[{"defaultStatus":"unaffected","product":"qt","source":"CNA: Qt","vendor":"qt","versions":[{"lessThan":"5.0.0","status":"unknown","version":"0","versionType":"python"},{"lessThan":"6.8.9","status":"affected","version":"5.0.0","versionType":"python"},{"lessThan":"6.11.3","status":"affected","version":"6.9.0","versionType":"python"}]}],"cveId":"CVE-2026-103645","cwes":["CWE-190","CWE-835"],"description":"An integer overflow vulnerability in the Qt QTextCodec fromUnicode() and toUnicode() functionality of the Qt 5 Core Compatibility APIs module (Qt 6) and the Qt Core module (Qt 5). Only builds where Qt is compiled with ICU support are affected.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":1.1,"severity":"low","source":"CNA: Qt","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/R:U/U:Clear","version":"4.0"},{"score":1.1,"severity":"low","source":"NVD: a59d8014-47c4-4630-ab43-e1b13cbe58e3","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/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:U/V:X/RE:X/U:Clear","version":"4.0"}],"modifiedAt":1794565044573,"publishedAt":1794562583530,"references":[{"source":"CNA: Qt","tags":["vendor-advisory"],"url":"https://www.qt.io/security-advisories?search=CVE-2026-103645"},{"source":"CNA: Qt","tags":["patch"],"url":"https://codereview.qt-project.org/c/qt/qt5compat/+/762795"},{"source":"a59d8014-47c4-4630-ab43-e1b13cbe58e3","tags":[],"url":"https://codereview.qt-project.org/c/qt/qt5compat/+/762795"},{"source":"a59d8014-47c4-4630-ab43-e1b13cbe58e3","tags":[],"url":"https://www.qt.io/security-advisories?search=CVE-2026-103645"}],"remediation":[{"kind":"fix","source":"CNA: Qt","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://codereview.qt-project.org/c/qt/qt5compat/+/762795"}],"revision":"87661d5cb841d276e6ec3df04b69dbd4b26aea69d14925d8b8d89afb1b12d80a","sources":[{"modifiedAt":1794562583530,"name":"CNA: Qt","retrievedAt":1794564507464,"url":"https://www.cve.org/CVERecord?id=CVE-2026-103645"},{"modifiedAt":1794565044573,"name":"NVD","retrievedAt":1794572160544,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103645"}],"ssvc":null,"status":"published","title":"Integer overflow vulnerability in QTextCodec fromUnicode() and toUnicode() impacts Qt","updatedAt":1794572160544}