{"action":"Upgrade apk-tools to 2.12.6-r0 or later.","affected":[{"fixed":"2.12.6-r0","introduced":"0"}],"component":"apk-tools","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.17","exploited":false,"fixed_versions":["2.12.6-r0"],"id":"tcs_01M5NDAH9FE40WG9P6CSXQWPD1","modified_at":"2026-10-23T17:17:56.198606684Z","published_at":"2021-08-03T14:15:08.233Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-36159","https://security.alpinelinux.org/vuln/CVE-2021-36159"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-36159#Alpine:v3.17/apk-tools","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-36159"}],"summary":"libfetch before 2021-07-26, as used in apk-tools, xbps, and other products, mishandles numeric strings for the FTP and HTTP protocols. The FTP passive mode implementation allows an out-of-bounds read"}