All vulnerabilities

Servers and applications

CVE-2022-3620

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…

Severity
Critical 9.8
Published
20 Oct 2022
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
4.97
Sources
NVD

Affected software

SoftwareAffected versions
EximServers and applications · cpe:a:exim:exim
  • From 4.95 before 4.97

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-3620
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-3620