{"schema":"threatline.record/2","record":{"id":"CVE-2026-116743","aliases":[],"summary":"libyal libmsiecf through 20260525 Double Free via libmsiecf_url_values_read_data","details":"libyal libmsiecf through 20260525 contains a double free vulnerability in libmsiecf_url_values_read_data() that allows attackers to corrupt heap memory via crafted partial URL records. Attackers can supply a crafted MSIE cache index.dat file whose recovered partial record has an oversized unknown_offset, crashing forensic tools processing it.","categories":["Unclassified"],"product":"libmsiecf","vendor":"libyal","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-116743","source_modified_at":"2026-10-26T21:52:42.185Z","fetched_at":"2026-10-26T23:45:56.352924Z","product":"libmsiecf","vendor":"libyal","versions":[{"version":"0","status":"affected","versionType":"custom","lessThanOrEqual":"20260525"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":6.8,"severity":"Medium","kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-26T21:52:42.185Z","modified_at":"2026-10-26T21:52:42.185Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-116743","fetched_at":"2026-10-26T23:45:56.352924Z","source_modified_at":"2026-10-26T21:52:42.185Z"}],"sources":["CVE List"],"references":[{"source":"CVE List","url":"https://github.com/libyal/libmsiecf/issues/6","tags":["issue-tracking"]},{"source":"CVE List","url":"https://github.com/libyal/libmsiecf","tags":["product"]},{"source":"CVE List","url":"https://github.com/libyal/libmsiecf/commit/a99a703d190d62f6c21b6225cf84ce80037e45d5","tags":["patch"]},{"source":"CVE List","url":"https://github.com/libyal/libmsiecf/blob/20260525/libmsiecf/libmsiecf_url_values.c#L824","tags":["technical-description"]},{"source":"CVE List","url":"https://hackmd.io/@haindpwn/libmsiecf-url-record-partial-recovery-double-free","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/libyal-libmsiecf-through-20260525-double-free-via-libmsiecf-url-values-read-data","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-26T21:52:42.185Z","content_hash":"eb50f586f889fbf8cf47c80c2e3e33d3fb36af69e03411b7a6f04b8cdcf26e87"}}