{"id":"CVE-2026-116743","revision":"5c2146b3f8e84ff79b314fa0d72a1f31","records":[{"revision":"5c2146b3f8e84ff79b314fa0d72a1f31","observedAt":"2026-10-26T22:35:30.956+00:00","statement":{"source":"cve-program","id":"CVE-2026-116743","aliases":[],"title":"libyal libmsiecf through 20260525 Double Free via libmsiecf_url_values_read_data","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.","state":0,"publishedAt":"2026-10-26T21:52:42.185+00:00","modifiedAt":"2026-10-26T21:52:42.185+00:00","affected":[{"ecosystem":"Vendor product","name":"libmsiecf","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"libyal\",\n                    \"product\": \"libmsiecf\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\",\n                            \"lessThanOrEqual\": \"20260525\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:github/libyal/libmsiecf\",\n                    \"repo\": \"https://github.com/libyal/libmsiecf\"\n                }"}],"metrics":[{"system":"CVSS 4.0","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,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":5.5,"severity":"MEDIUM"}],"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"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116743","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-116743","identifiers":["CVE-2026-116743"]},"retained":false,"historicalAffected":[]}],"coverage":[]}