CVE-2011-1720
EPSS 47.1%
Description
The SMTP server in Postfix before 2.5.13, 2.6.x before 2.6.10, 2.7.x before 2.7.4, and 2.8.x before 2.8.3, when certain Cyrus SASL authentication methods are enabled, does not create a new server handle after client authentication fails, which allows remote attackers to cause a denial of service (heap memory corruption and daemon crash) or possibly execute arbitrary code via an invalid AUTH command with one method followed by an AUTH command with a different method.
How to fix CVE-2011-1720
To remediate CVE-2011-1720, upgrade the affected package to a fixed version below.
- Debian/postfix—upgrade to 2.8.3-1 or later
Is CVE-2011-1720 being exploited?
Moderate — EPSS is 47.1%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (1)
- from 0, < 2.8.3-1