{"id":"CVE-2026-103645","aliases":["EUVD-2026-125217","GHSA-c62h-jfxc-cpph","UBUNTU-CVE-2026-103645"],"status":"published","title":"Integer overflow vulnerability in QTextCodec fromUnicode() and toUnicode() impacts Qt","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 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qt company","product":"qt"}],"references":[{"url":"https://www.qt.io/security-advisories?search=CVE-2026-103645","tags":["vendor-advisory","report"]},{"url":"https://codereview.qt-project.org/c/qt/qt5compat/+/762795","tags":["patch","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103645"},{"url":"https://github.com/advisories/GHSA-c62h-jfxc-cpph"},{"url":"https://ubuntu.com/security/CVE-2026-103645","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-103645","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-103645","title":"Integer overflow vulnerability in QTextCodec fromUnicode() and toUnicode() impacts Qt","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). 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Only builds where Qt is compiled with ICU support are affected.","status":"published","published":"2026-11-13T00:00:00Z","modified":"2026-11-13T21:03:24.327919519Z","cvss":[{"version":"4.0","score":1.1,"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","level":"low"}],"updated_at":"2026-11-13T21:30:19.022033Z"}]}}