{"id":"UBUNTU-CVE-2026-111274","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.","modified":"2026-10-17T12:59:52.500185643Z","published":"2026-10-16T00:00:00Z","upstream":["CVE-2026-111274"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-111274"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-111274"},{"type":"REPORT","url":"https://github.com/selmf/unarr"},{"type":"REPORT","url":"https://github.com/selmf/unarr/blob/b211040df83dee513362cdeb9bd87afa26fd5e38/zip/parse-zip.c#L48-L72"},{"type":"REPORT","url":"https://hackmd.io/@haind-pwn/unarr-tar-zip-oob"},{"type":"REPORT","url":"https://www.vulncheck.com/advisories/unarr-through-1.1.1-heap-out-of-bounds-read-via-zip-parse-extra-fields"}],"affected":[{"package":{"name":"unarr","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/unarr?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.1-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.0.1-1","binary_name":"libunarr1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-111274.json"}},{"package":{"name":"unarr","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/unarr?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.1-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.0.1-1","binary_name":"libunarr1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-111274.json"}},{"package":{"name":"unarr","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/unarr?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.1-1.1"],"ecosystem_specific":{"binaries":[{"binary_name":"libunarr1","binary_version":"1.0.1-1.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-111274.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"CVSS_V4","score":"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"},{"type":"Ubuntu","score":"medium"}]}