{"action":"Upgrade exim to 4.94.2-r0 or later.","affected":[{"fixed":"4.94.2-r0","introduced":"4.00"}],"component":"exim","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.18","exploited":false,"fixed_versions":["4.94.2-r0"],"id":"tcs_01M6GMK3DH45EN9GP519V66DFT","modified_at":"2026-11-03T06:32:25.536460086Z","published_at":"2021-05-06T13:15:09.750Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2020-28025","https://security.alpinelinux.org/vuln/CVE-2020-28025"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2020-28025#Alpine:v3.18/exim","url":"https://osv.dev/vulnerability/ALPINE-CVE-2020-28025"}],"summary":"Exim 4 before 4.94.2 allows Out-of-bounds Read because pdkim_finish_bodyhash does not validate the relationship between sig->bodyhash.len and b->bh.len; thus, a crafted DKIM-Signature header might lea"}