{"id":"MGASA-2026-0348","summary":"Updated clamav packages fix security vulnerabilities","details":"An indexing error while converting GPT partition names that could read or\nwrite beyond a stack-allocated partition entry. (CVE-2026-20345)\nAn integer overflow in the PESpin unpacker that could allocate an\nundersized buffer and then write beyond it while rebuilding a PE file.\n(CVE-2026-20339)\nAn integer underflow in the PDF parser that could cause a crash while\nreading a malformed hex string. (CVE-2026-20346)\nUndefined behavior and integer overflow in the Mach-O parser that could\ncause a crash while scanning a malformed Mach-O file. (CVE-2026-20347)\nXAR parser size handling that could request an excessive allocation or\nexceed scan limits while decompressing a malformed table of contents.\n(CVE-2026-20348)\n","modified":"2026-09-01T03:15:03.645755465Z","published":"2026-08-31T19:40:26Z","upstream":["CVE-2026-20339","CVE-2026-20345","CVE-2026-20346","CVE-2026-20347","CVE-2026-20348"],"references":[{"type":"ADVISORY","url":"https://advisories.mageia.org/MGASA-2026-0348.html"},{"type":"REPORT","url":"https://bugs.mageia.org/show_bug.cgi?id=36180"},{"type":"WEB","url":"https://blog.clamav.net/2026/08/clamav-154-and-146-security-patch.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OQHYDS3XT2PKXIDL3B6FNNJ3JT27FJ2T/"}],"affected":[{"package":{"name":"clamav","ecosystem":"Mageia:10","purl":"pkg:rpm/mageia/clamav?arch=source&distro=mageia-10"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.6-1.mga10"}]}],"ecosystem_specific":{"section":"core"},"database_specific":{"source":"https://advisories.mageia.org/MGASA-2026-0348.json"}}],"schema_version":"1.9.0","credits":[{"name":"Mageia","contact":["https://wiki.mageia.org/en/Packages_Security_Team"],"type":"COORDINATOR"}]}