{"id":"CVE-2026-116743","aliases":[],"title":"libyal libmsiecf through 20260525 Double Free via libmsiecf_url_values_read_data","titleSource":"VulnCheck","descriptionSource":"VulnCheck","products":[{"vendor":"libyal","name":"libmsiecf","platforms":[],"versions":[{"version":"0","status":"affected","lessThanOrEqual":"20260525","versionType":"custom"}],"defaultStatus":"unaffected","source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-116743"}],"remediation":[],"description":"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it.","severity":"medium","score":6.8,"published":"2026-10-26T21:52:42.185Z","modified":"2026-10-26T21:52:42.185Z","withdrawn":false,"knownExploited":false,"affected":[],"references":["https://github.com/libyal/libmsiecf/issues/6","https://github.com/libyal/libmsiecf","https://github.com/libyal/libmsiecf/commit/a99a703d190d62f6c21b6225cf84ce80037e45d5","https://github.com/libyal/libmsiecf/blob/20260525/libmsiecf/libmsiecf_url_values.c#L824","https://hackmd.io/@haindpwn/libmsiecf-url-record-partial-recovery-double-free","https://www.vulncheck.com/advisories/libyal-libmsiecf-through-20260525-double-free-via-libmsiecf-url-values-read-data"],"sources":[{"name":"CVE","id":"CVE-2026-116743","modified":"2026-10-26T21:52:42.185Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-116743"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":6.8},{"source":"VulnCheck","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":5.5}],"sourceAffected":[],"kev":{"status":"not-listed","checkedAt":"2026-10-28T22:30:31.386Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}