CVE-2011-1753
ejabberd - denial of service
EPSS 1.9%
Description
expat_erl.c in ejabberd before 2.1.7 and 3.x before 3.0.0-alpha-3, and exmpp before 0.9.7, does not properly detect recursion during entity expansion, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564.
How to fix CVE-2011-1753
To remediate CVE-2011-1753, upgrade the affected package to a fixed version below.
- Debian/ejabberd—upgrade to 2.1.6-2.1 or later
- Debian/ejabberd—upgrade to 2.1.5-3+squeeze1 or later
Is CVE-2011-1753 being exploited?
Low — EPSS is 1.9%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.1.6-2.1
- from 0, < 2.1.5-3+squeeze1