CVE-2011-1764
exim4 - format string vulnerability
EPSS 4.7%
Description
Format string vulnerability in the dkim_exim_verify_finish function in src/dkim.c in Exim before 4.76 might allow remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via format string specifiers in data used in DKIM logging, as demonstrated by an identity field containing a % (percent) character.
How to fix CVE-2011-1764
To remediate CVE-2011-1764, upgrade the affected package to a fixed version below.
- Debian/exim4—upgrade to 4.75-3 or later
- Debian/exim4—upgrade to 4.72-6+squeeze1 or later
Is CVE-2011-1764 being exploited?
Low — EPSS is 4.7%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.75-3
- from 0, < 4.72-6+squeeze1