{"id":"CVE-2026-116743","published":"2026-10-26T22:16:58.823","lastModified":"2026-10-26T22:16:58.823","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.","cvssScore":5.5,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cwes":["CWE-415"],"vendors":[],"products":[],"references":[{"url":"https://github.com/libyal/libmsiecf","tags":[]},{"url":"https://github.com/libyal/libmsiecf/blob/20260525/libmsiecf/libmsiecf_url_values.c#L824","tags":[]},{"url":"https://github.com/libyal/libmsiecf/commit/a99a703d190d62f6c21b6225cf84ce80037e45d5","tags":[]},{"url":"https://github.com/libyal/libmsiecf/issues/6","tags":[]},{"url":"https://hackmd.io/@haindpwn/libmsiecf-url-record-partial-recovery-double-free","tags":[]},{"url":"https://www.vulncheck.com/advisories/libyal-libmsiecf-through-20260525-double-free-via-libmsiecf-url-values-read-data","tags":[]}],"exploitRefs":[{"url":"https://github.com/libyal/libmsiecf","tags":[]},{"url":"https://github.com/libyal/libmsiecf/blob/20260525/libmsiecf/libmsiecf_url_values.c#L824","tags":[]},{"url":"https://github.com/libyal/libmsiecf/commit/a99a703d190d62f6c21b6225cf84ce80037e45d5","tags":[]},{"url":"https://github.com/libyal/libmsiecf/issues/6","tags":[]}],"hasPoc":true,"ai":null}