{"schema":"threatline.record/2","record":{"id":"CVE-2026-111140","aliases":[],"summary":"libregf through 20260526 Heap Out-of-Bounds Read via libregf_value_item_read_value_data","details":"libregf through 20260526 contains a heap out-of-bounds read in libregf_value_item_read_value_data() because it bounds value data size without subtracting the 4-byte old-format cell offset. Attackers can supply a crafted version 1.0/1.1 REGF hive with a value data cell ending its hive bin to leak adjacent heap bytes or crash parsers like regfexport and plaso.","categories":["Unclassified"],"product":"libregf","vendor":"libyal","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-111140","source_modified_at":"2026-10-21T01:19:40.902Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"libregf","vendor":"libyal","versions":[{"version":"0","lessThanOrEqual":"20260526","status":"affected","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":6.9,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00129,"percentile":0.0226,"score_date":"2026-10-23"},"published_at":"2026-10-15T18:57:32.622Z","modified_at":"2026-10-21T01:19:40.902Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-111140","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-21T01:19:40.902Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-111140","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://hackmd.io/@haind-pwn/libregf-value-data-offset-oob-read","tags":["technical-description","exploit"]},{"source":"CVE List","url":"https://github.com/libyal/libregf/blob/1a4bd856484263caa4a5e0d6ba377c3dc69150c7/libregf/libregf_value_item.c#L789-L935","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/libyal/libregf","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/libregf-through-20260526-heap-out-of-bounds-read-via-libregf-value-item-read-value-data","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-21T01:19:30.510964Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-21T01:19:40.902Z","content_hash":"5dfb4074d7191e3d165251a5ef29e1ad381fbc59823877f8608a286d1cd1652b"}}