{"id":"MGASA-2021-0229","summary":"Updated lz4 packages fix a security vulnerability","details":"An attacker who submits a crafted file to an application linked with lz4 may be able to trigger an integer overflow, leading to calling of memmove() on a negative size argument, causing an out-of-bounds write and/or a crash. The greatest impact of this flaw is to availability, with some potential impact to confidentiality and integrity as well (CVE-2021-3520).\n","modified":"2026-04-16T04:43:24.314370018Z","published":"2021-06-08T14:33:02Z","upstream":["CVE-2021-3520"],"references":[{"type":"ADVISORY","url":"https://advisories.mageia.org/MGASA-2021-0229.html"},{"type":"REPORT","url":"https://bugs.mageia.org/show_bug.cgi?id=28990"},{"type":"WEB","url":"https://www.debian.org/security/2021/dsa-4919"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4968-1"}],"affected":[{"package":{"name":"lz4","ecosystem":"Mageia:7","purl":"pkg:rpm/mageia/lz4?arch=source&distro=mageia-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.2-1.1.mga7"}]}],"ecosystem_specific":{"section":"core"},"database_specific":{"source":"https://advisories.mageia.org/MGASA-2021-0229.json"}},{"package":{"name":"lz4","ecosystem":"Mageia:8","purl":"pkg:rpm/mageia/lz4?arch=source&distro=mageia-8"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.3-1.1.mga8"}]}],"ecosystem_specific":{"section":"core"},"database_specific":{"source":"https://advisories.mageia.org/MGASA-2021-0229.json"}}],"schema_version":"1.7.5","credits":[{"name":"Mageia","contact":["https://wiki.mageia.org/en/Packages_Security_Team"],"type":"COORDINATOR"}]}