CVE-2011-1407: Exim

High severity, CVSS 7.5. EPSS: 3.8% chance of exploitation in the next 30 days.

The DKIM implementation in Exim 4.7x before 4.76 permits matching for DKIM identities to apply to lookup items, instead of only strings, which allows remote attackers to execute arbitrary code or access a filesystem via a crafted identity.

Affected products

• Exim Exim: version 4.70 only; version 4.71 only; version 4.72 only; version 4.73 only; version 4.74 only; version 4.75 only

Published 2011-05-16. Last modified 2026-06-16.