{"id":"ALPINE-CVE-2020-28025","details":"Exim 4 before 4.94.2 allows Out-of-bounds Read because pdkim_finish_bodyhash does not validate the relationship between sig-\u003ebodyhash.len and b-\u003ebh.len; thus, a crafted DKIM-Signature header might lead to a leak of sensitive information from process memory.","modified":"2026-11-03T06:32:25.536460086Z","published":"2021-05-06T13:15:09.750Z","upstream":["CVE-2020-28025"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2020-28025"}],"affected":[{"package":{"name":"exim","ecosystem":"Alpine:v3.13","purl":"pkg:apk/alpine/exim?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.00"},{"fixed":"4.94.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-28025.json"}},{"package":{"name":"exim","ecosystem":"Alpine:v3.14","purl":"pkg:apk/alpine/exim?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.00"},{"fixed":"4.94.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-28025.json"}},{"package":{"name":"exim","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/exim?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.00"},{"fixed":"4.94.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-28025.json"}},{"package":{"name":"exim","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/exim?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.00"},{"fixed":"4.94.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-28025.json"}},{"package":{"name":"exim","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/exim?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.00"},{"fixed":"4.94.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-28025.json"}},{"package":{"name":"exim","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/exim?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.00"},{"fixed":"4.94.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-28025.json"}},{"package":{"name":"exim","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/exim?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.00"},{"fixed":"4.94.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-28025.json"}},{"package":{"name":"exim","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/exim?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.00"},{"fixed":"4.94.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-28025.json"}},{"package":{"name":"exim","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/exim?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.00"},{"fixed":"4.94.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-28025.json"}},{"package":{"name":"exim","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/exim?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.00"},{"fixed":"4.94.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-28025.json"}},{"package":{"name":"exim","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/exim?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.00"},{"fixed":"4.94.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-28025.json"}},{"package":{"name":"exim","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/exim?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.00"},{"fixed":"4.94.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2020-28025.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}