Source: exim4 X-Debbugs-CC: t...@security.debian.org Severity: important Tags: security
Hi, The following vulnerability was published for exim4. CVE-2022-3620[0]: | A vulnerability was found in Exim and classified as problematic. This | issue affects the function dmarc_dns_lookup of the file dmarc.c of the | component DMARC Handler. The manipulation leads to use after free. The | attack may be initiated remotely. The name of the patch is | 12fb3842f81bcbd4a4519d5728f2d7e0e3ca1445. It is recommended to apply a | patch to fix this issue. The associated identifier of this | vulnerability is VDB-211919. Introduced by: https://git.exim.org/exim.git/commit/92583637b25b6bde926f9ca6be7b085e5ac8b1e6 (exim-4.95-RC0) (as such Bullseye/Buster are not affected) Fixed by: https://git.exim.org/exim.git/commit/12fb3842f81bcbd4a4519d5728f2d7e0e3ca1445 If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2022-3620 https://www.cve.org/CVERecord?id=CVE-2022-3620 Please adjust the affected versions in the BTS as needed.
