{"action":"Upgrade newlib to 4.1.0-r0 or later.","affected":[{"fixed":"4.1.0-r0","introduced":"0"}],"component":"newlib","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.22","exploited":false,"fixed_versions":["4.1.0-r0"],"id":"tcs_01M6H4KVQHGSECPZECPF79714S","modified_at":"2026-11-03T06:32:58.431916445Z","published_at":"2021-03-05T21:15:13.437Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-3420","https://security.alpinelinux.org/vuln/CVE-2021-3420"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-3420#Alpine:v3.22/newlib","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-3420"}],"summary":"A flaw was found in newlib in versions prior to 4.0.0. Improper overflow validation in the memory allocation functions mEMALIGn, pvALLOc, nano_memalign, nano_valloc, nano_pvalloc could case an integer"}