{"schema":"threatline.record/2","record":{"id":"CVE-2026-94370","aliases":[],"summary":"Memory corruption (double free / use-after-free) vulnerability in core string handling impacts Qt for MCUs","details":"A defect in the Qt for MCUs core string handling causes heap memory corruption. When an application passes text into Qt Quick Ultralite using the public Qul::String interface type, and that text is held in a std::string, the conversion to the internal string type copies the pointer without taking ownership of it. Two objects then release the same memory, producing a double free, an invalid free, or a use-after-free.","categories":["Unclassified"],"product":"Qt_for_MCUs","vendor":"qt","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-94370","source_modified_at":"2026-10-14T16:02:30.639Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"Qt_for_MCUs","vendor":"qt","versions":[{"status":"affected","version":"2.12.1","lessThan":"2.12.3","versionType":"python"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-94370","source_modified_at":"2026-10-14T16:02:30.639Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"Qt_for_MCUs","ecosystem":null},"version":"2.12.3","basis":"first unaffected version stated in the CVE record"}],"cvss":6.5,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00332,"percentile":0.25232,"score_date":"2026-10-23"},"published_at":"2026-10-14T05:43:27.953Z","modified_at":"2026-10-14T16:02:30.639Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-94370","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-14T16:02:30.639Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-94370","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-94370:","tags":["issue-tracking"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-14T16:02:10.297104Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-14T16:02:30.639Z","content_hash":"39942a06f1e62522f9bdfe7f28bdd2e0e9a1491731fe44054c0465b7878fc09a"}}