{"id":"CVE-2026-111274","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-111274","generatedAt":"2026-10-28T11:33:16.121Z","title":"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.","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.","published":"2026-10-15T22:19:28.000Z","lastModified":"2026-10-23T20:17:20.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":6.8,"severity":"MEDIUM","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-125"],"affected":[],"epss":{"score":0.00196,"percentile":0.09196,"date":"2026-10-27","history":[{"date":"2026-10-16","score":0.0013,"percentile":0.02315}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.20%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-15T22:19:28.000Z","detail":{"score":"6.8","severity":"MEDIUM","publishedAt":"2026-10-15T22:19:28.477Z"},"summary":"New CVE, medium severity (CVSS 6.8)."}],"references":[{"url":"https://github.com/selmf/unarr","source":"disclosure@vulncheck.com"},{"url":"https://github.com/selmf/unarr/blob/b211040df83dee513362cdeb9bd87afa26fd5e38/zip/parse-zip.c#L48-L72","source":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@haind-pwn/unarr-tar-zip-oob","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/unarr-through-1.1.1-heap-out-of-bounds-read-via-zip-parse-extra-fields","source":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@haind-pwn/unarr-tar-zip-oob","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-111274","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}