{"id":"CVE-2026-107590","revision":null,"records":[{"revision":"0ed9530fe531414e96cdaf88fbada1d9","observedAt":"2026-10-27T14:09:21.982+00:00","statement":{"source":"cve-program","id":"CVE-2026-107590","aliases":[],"title":"Out-of-bounds write vulnerability in QTextCodec iconv-based encoding impacts Qt","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.\u00A0Under certain conditions, encoding text with QTextCodec may write outside an internal buffer. This can cause the application to crash and may affect data integrity.","state":0,"publishedAt":"2026-10-27T12:24:53.005+00:00","modifiedAt":"2026-10-27T12:24:53.005+00:00","affected":[{"ecosystem":"Vendor product","name":"Qt","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"qt\",\n                    \"product\": \"Qt\",\n                    \"modules\": [\n                        \"qt5compat\",\n                        \"qtbase\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"status\": \"unaffected\",\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.5.0\",\n                            \"versionType\": \"python\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"4.5.0\",\n                            \"lessThanOrEqual\": \"6.8.8\",\n                            \"versionType\": \"python\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"6.9.0\",\n                            \"lessThanOrEqual\": \"6.11.2\",\n                            \"versionType\": \"python\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\",\n                    \"cpes\": [\n                        \"cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*\",\n                        \"cpe:2.3:a:qt:qt5compat:*:*:*:*:*:*:*:*\",\n                        \"cpe:2.3:a:qt:qtbase:*:*:*:*:*:*:*:*\"\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","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","score":1.9,"severity":"LOW"}],"references":["https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-107590:","https://codereview.qt-project.org/c/qt/qt5compat/+/762752"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-107590","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-107590","identifiers":["CVE-2026-107590"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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