{"id":"CVE-2026-100140","title":"Integer overflow vulnerability in XML parsing functionality of Qt5Compat impacts Qt","summary":"An integer overflow vulnerability in the Qt XML parsing (Qt5Compat / QXmlSimpleReader) functionality of Qt.","severity":"low","cvss":1.9,"cvssVector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/R:U/U:Green","cvssSource":"cna","cwe":["CWE-190"],"vendor":"qt","product":"qt","affected":["qt >= 6.0.0 <= 6.8.9","qt >= 6.9.0 <= 6.11.2","qt 6.12.0"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-02T16:54:43.471958Z"},"published":"2026-11-02","updated":"2026-11-02","sourceUpdated":"2026-11-02T16:55:00.571Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-100140","references":[{"url":"https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-100140:"},{"url":"https://codereview.qt-project.org/c/qt/qt5compat/+/768900"},{"url":"https://codereview.qt-project.org/c/qt/qt5compat/+/764751"},{"url":"https://codereview.qt-project.org/c/qt/qt5compat/+/768901"},{"url":"https://codereview.qt-project.org/c/qt/qt5compat/+/768902"}],"tags":["cve.org"],"epss":0.00167,"epssPercentile":0.05988,"ingestedAt":"2026-11-05T19:30:42.714Z","slug":"CVE-2026-100140","body":"## Overview\n\nAn integer overflow vulnerability in the Qt XML parsing (Qt5Compat / QXmlSimpleReader) functionality of Qt.\n\n## Affected\n\n- `qt >= 6.0.0 <= 6.8.9`\n- `qt >= 6.9.0 <= 6.11.2`\n- `qt 6.12.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":10,"depthScoreParts":{"impact":10.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}