{"action":"Upgrade libwebp to 1.3.0-r2 or later.","affected":[{"fixed":"1.3.0-r2","introduced":"0.4.2"}],"component":"libwebp","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.18","exploited":false,"fixed_versions":["1.3.0-r2"],"id":"tcs_01M5NEJDQETAHR9V4S0FSREVGX","modified_at":"2026-10-23T17:17:56.717297285Z","published_at":"2023-06-20T12:15:09.600Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2023-1999","https://security.alpinelinux.org/vuln/CVE-2023-1999"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2023-1999#Alpine:v3.18/libwebp","url":"https://osv.dev/vulnerability/ALPINE-CVE-2023-1999"}],"summary":"There exists a use after free/double free in libwebp. An attacker can use the ApplyFiltersAndEncode() function and loop through to free best.bw and assign best = trial pointer. The second loop will th"}