{"id":"CVE-2026-111274","published":"2026-10-15T22:19:28.477","lastModified":"2026-10-16T18:25:45.343","description":"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.","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-125"],"vendors":[],"products":[],"references":[{"url":"https://github.com/selmf/unarr","tags":[]},{"url":"https://github.com/selmf/unarr/blob/b211040df83dee513362cdeb9bd87afa26fd5e38/zip/parse-zip.c#L48-L72","tags":[]},{"url":"https://hackmd.io/@haind-pwn/unarr-tar-zip-oob","tags":[]},{"url":"https://www.vulncheck.com/advisories/unarr-through-1.1.1-heap-out-of-bounds-read-via-zip-parse-extra-fields","tags":[]}],"exploitRefs":[{"url":"https://github.com/selmf/unarr","tags":[]},{"url":"https://github.com/selmf/unarr/blob/b211040df83dee513362cdeb9bd87afa26fd5e38/zip/parse-zip.c#L48-L72","tags":[]}],"hasPoc":true,"ai":null}