{"action":"Upgrade redis to 5.0.11-r0 or later.","affected":[{"fixed":"5.0.11-r0","introduced":"4.0"}],"component":"redis","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.11","exploited":false,"fixed_versions":["5.0.11-r0"],"id":"tcs_01M5NCXYYYDEV6SFKZ5GRFNSPF","modified_at":"2026-10-23T17:17:56.148056344Z","published_at":"2021-02-26T22:15:19.457Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-21309","https://security.alpinelinux.org/vuln/CVE-2021-21309"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-21309#Alpine:v3.11/redis","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-21309"}],"summary":"Redis is an open-source, in-memory database that persists on disk. In affected versions of Redis an integer overflow bug in 32-bit Redis version 4.0 or newer could be exploited to corrupt the heap and"}