{"id":"CVE-2020-9308","details":"archive_read_support_format_rar5.c in libarchive before 3.4.2 attempts to unpack a RAR5 file with an invalid or corrupted header (such as a header size of zero), leading to a SIGSEGV or possibly unspecified other impact.","modified":"2026-04-02T06:46:30.986815Z","published":"2020-02-20T07:15:12.013Z","related":["MGASA-2020-0127"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6OTE7GWASH2ZOVG5H3HEN5PR6B3KF7JB/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J76F7VU7HC3GBKG5SAKTRBOFOI3RGO6M/"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202003-28"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4293-1/"},{"type":"FIX","url":"https://github.com/libarchive/libarchive/pull/1326"},{"type":"FIX","url":"https://github.com/libarchive/libarchive/pull/1326/commits/94821008d6eea81e315c5881cdf739202961040a"},{"type":"FIX","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20459"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/libarchive/libarchive","events":[{"introduced":"614110e76d9dbb9ed3e159a71cbd75fa3b23efe3"},{"fixed":"3288ebb0353beb51dfb09d444dedbe9235ead53d"}],"database_specific":{"versions":[{"introduced":"3.4.0"},{"fixed":"3.4.2"}]}}],"versions":["v3.4.0","v3.4.1"],"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"18.04"}]},{"events":[{"introduced":"0"},{"last_affected":"19.10"}]},{"events":[{"introduced":"0"},{"last_affected":"31"}]},{"events":[{"introduced":"0"},{"last_affected":"32"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-9308.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}