{"action":"Upgrade lz4 to 1.9.3-r1 or later.","affected":[{"fixed":"1.9.3-r1","introduced":"1.8.3"}],"component":"lz4","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.22","exploited":false,"fixed_versions":["1.9.3-r1"],"id":"tcs_01M5NDA0BYNG44T77WS0WF0BWW","modified_at":"2026-10-23T17:17:56.196704669Z","published_at":"2021-06-02T13:15:13.170Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-3520","https://security.alpinelinux.org/vuln/CVE-2021-3520"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-3520#Alpine:v3.22/lz4","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-3520"}],"summary":"There's a flaw in lz4. 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,"}