{"id":"AZL-112667","summary":"CVE-2026-119602 affecting package clamav 1.5.4-2","details":"libmspack through 0.11alpha contains an uninitialized memory disclosure vulnerability in the MS-ZIP decompressor that allows attackers to leak heap data via unchecked back-reference distances. Attackers can supply a crafted MS-ZIP CAB file whose first block begins with a back-reference, causing cabd-\u003eextract() to write up to 32 KiB of stale heap memory into extracted output.","modified":"2026-11-11T05:27:43Z","published":"2026-10-30T14:16:48Z","upstream":["CVE-2026-119602"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119602"}],"affected":[{"package":{"name":"clamav","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/clamav"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.5.4-2"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-112667.json"}}],"schema_version":"1.9.2"}