{"action":"Upgrade radare2 to 5.5.2-r0 or later.","affected":[{"fixed":"5.5.2-r0","introduced":"0"}],"component":"radare2","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.21","exploited":false,"fixed_versions":["5.5.2-r0"],"id":"tcs_01M6GW8R3WR24YABWX62HD6C4P","modified_at":"2026-11-03T06:32:41.208853802Z","published_at":"2022-02-24T19:15:09.533Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-4021","https://security.alpinelinux.org/vuln/CVE-2021-4021"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-4021#Alpine:v3.21/radare2","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-4021"}],"summary":"A vulnerability was found in Radare2 in versions prior to 5.6.2, 5.6.0, 5.5.4 and 5.5.2. Mapping a huge section filled with zeros of an ELF64 binary for MIPS architecture can lead to uncontrolled reso"}