{"schema":"threatline.record/2","record":{"id":"CVE-2026-111274","aliases":[],"summary":"unarr through 1.1.1 Heap Out-of-Bounds Read via zip_parse_extra_fields","details":"unarr through 1.1.1 contains a heap-based out-of-bounds read in zip_parse_extra_fields() in zip/parse-zip.c due to an incorrect ZIP64 extra field length check. Attackers can supply a crafted ZIP archive with 0xFFFFFFFF sentinel values and a truncated ZIP64 record to read past the heap buffer and crash the process.","categories":["Unclassified"],"product":"unarr","vendor":"selmf","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-111274","source_modified_at":"2026-10-23T19:58:53.195Z","fetched_at":"2026-10-23T20:37:03.234832Z","product":"unarr","vendor":"selmf","versions":[{"version":"0","lessThanOrEqual":"1.1.1","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":6.8,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.0013,"percentile":0.02359,"score_date":"2026-10-23"},"published_at":"2026-10-15T21:43:20.415Z","modified_at":"2026-10-23T19:58:53.195Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-111274","fetched_at":"2026-10-23T20:37:03.234832Z","source_modified_at":"2026-10-23T19:58:53.195Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-111274","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/unarr-tar-zip-oob","tags":["exploit"]},{"source":"CVE List","url":"https://github.com/selmf/unarr/blob/b211040df83dee513362cdeb9bd87afa26fd5e38/zip/parse-zip.c#L48-L72","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/selmf/unarr","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/unarr-through-1.1.1-heap-out-of-bounds-read-via-zip-parse-extra-fields","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":"2026-10-23T19:58:38.162845Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-23T19:58:53.195Z","content_hash":"6e0e65be92f2f2e78bef9004a0ff617270e05b400cf03696f8a8f53a96bf1379"}}
