{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-111274","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-10-15T19:33:21.039Z","datePublished":"2026-10-15T21:43:20.415Z","dateUpdated":"2026-11-02T02:21:48.872Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-11-02T02:21:48.872Z"},"title":"unarr through 1.1.1 Heap Out-of-Bounds Read via zip_parse_extra_fields","descriptions":[{"lang":"en","value":"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."}],"datePublic":"2026-10-15T00:00:00.000Z","problemTypes":[{"descriptions":[{"lang":"en","description":"Out-of-bounds Read","cweId":"CWE-125","type":"CWE"}]}],"affected":[{"vendor":"selmf","product":"unarr","defaultStatus":"unaffected","versions":[{"version":"0","lessThanOrEqual":"1.1.1","status":"affected","versionType":"semver"}],"packageURL":"pkg:github/selmf/unarr","repo":"https://github.com/selmf/unarr"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":6.8,"vectorString":"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"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","version":"3.1","baseSeverity":"MEDIUM","baseScore":5.5,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}}],"references":[{"url":"https://github.com/selmf/unarr/security/advisories/GHSA-qm4g-jf39-jwjj","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-qm4g-jf39-jwjj)"},{"url":"https://github.com/selmf/unarr/releases/tag/v1.2.0","tags":["release-notes","patch"],"name":"Release Notes"},{"url":"https://hackmd.io/@haind-pwn/unarr-tar-zip-oob","tags":["technical-description","exploit"]},{"url":"https://www.vulncheck.com/advisories/unarr-through-1.1.1-heap-out-of-bounds-read-via-zip-parse-extra-fields","name":"VulnCheck Advisory: unarr through 1.1.1 Heap Out-of-Bounds Read via zip_parse_extra_fields","tags":["third-party-advisory"]}],"credits":[{"lang":"en","value":"Tristan Madani","type":"finder"},{"lang":"en","value":"HaiND from the Post and Telecommunication Institute of Technology","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"references":[{"url":"https://hackmd.io/@haind-pwn/unarr-tar-zip-oob","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-23T19:58:38.162845Z","id":"CVE-2026-111274","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-23T19:58:53.195Z"}}]}}