{"affected":[{"defaultStatus":"unaffected","product":"Qt","source":"CNA: Qt","vendor":"qt","versions":[{"lessThan":"4.5.0","status":"unaffected","version":"0","versionType":"python"},{"lessThanOrEqual":"6.8.8","status":"affected","version":"4.5.0","versionType":"python"},{"lessThanOrEqual":"6.11.2","status":"affected","version":"6.9.0","versionType":"python"}]}],"cveId":"CVE-2026-107590","cwes":["CWE-787","CWE-131"],"description":"An out-of-bounds write vulnerability in the Qt QTextCodec iconv-based encoding of the Qt 5 Compatibility APIs module (Qt Core in Qt 5 and earlier) impacts Qt. Under certain conditions, encoding text with QTextCodec may write outside an internal buffer. This can cause the application to crash and may affect data integrity.","epss":{"date":"2026-11-04","percentile":0.0183,"score":0.0012},"exploits":[],"kev":null,"metrics":[{"score":1.9,"severity":"low","source":"CNA: Qt","vector":"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/RE:L/U:Green","version":"4.0"}],"modifiedAt":1793824137965,"publishedAt":1793103893005,"references":[{"source":"CNA: Qt","tags":["vendor-advisory"],"url":"https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-107590:"},{"source":"CNA: Qt","tags":["patch"],"url":"https://codereview.qt-project.org/c/qt/qt5compat/+/762752"}],"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/+/762752"}],"revision":"bb8bbfe6606d81aae19c2c24315c20cdda68867888eea31af69cde7d9a775857","sources":[{"modifiedAt":1793824137965,"name":"CNA: Qt","retrievedAt":1793826530331,"url":"https://www.cve.org/CVERecord?id=CVE-2026-107590"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793826560698,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-107590"}],"ssvc":{"assessedAt":1793817764169,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"Out-of-bounds write vulnerability in QTextCodec iconv-based encoding impacts Qt","updatedAt":1793826560698}