{"id":"CLSA-2026-1792171196","summary":"lz4: Fix of CVE-2021-3520","details":"- CVE-2021-3520: Fix potential memory corruption with negative memmove() size","modified":"2026-10-26T09:32:00.767031444Z","published":"2026-10-16T17:20:07Z","upstream":["CVE-2021-3520"],"references":[{"type":"ADVISORY","url":"https://errata.tuxcare.com/els_os/rhel7els/CLSA-2026-1792171196.html"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3520"}],"affected":[{"package":{"name":"lz4","ecosystem":"TuxCare:RHEL:7","purl":"pkg:rpm/tuxcare/lz4?distro=rhel-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.3-1.el7.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel7els/CLSA-2026-1792171196.json"}},{"package":{"name":"lz4-devel","ecosystem":"TuxCare:RHEL:7","purl":"pkg:rpm/tuxcare/lz4-devel?distro=rhel-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.3-1.el7.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel7els/CLSA-2026-1792171196.json"}},{"package":{"name":"lz4-static","ecosystem":"TuxCare:RHEL:7","purl":"pkg:rpm/tuxcare/lz4-static?distro=rhel-7"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.3-1.el7.tuxcare.els1"}]}],"database_specific":{"source":"https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/rhel7els/CLSA-2026-1792171196.json"}}],"schema_version":"1.9.0"}