Exim: Multiple Vulnerabilities — GLSA 202608-07

Multiple vulnerabilities have been found in Exim, the worst of which allows arbitrary code execution.

Affected packages

mail-mta/exim on all architectures
Affected versions < 4.99.4
Unaffected versions >= 4.99.4

Background

Exim is a message transfer agent (MTA) designed to be a a highly configurable, drop-in replacement for sendmail.

Description

Multiple vulnerabilities have been discovered in Exim. Please review the CVE identifiers referenced below for details.

Impact

Please review the referenced CVE identifiers for details.

Workaround

There is no known workaround at this time.

Resolution

All Exim users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=mail-mta/exim-4.99.4"
 

References

Release date
August 14, 2026

Latest revision
August 14, 2026: 1

Severity
high

Exploitable
local and remote

Bugzilla entries