CVE-2015-5312
libxml2 - security update
EPSS 1.1%
Description
The xmlStringLenDecodeEntities function in parser.c in libxml2 before 2.9.3 does not properly prevent entity expansion, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted XML data, a different vulnerability than CVE-2014-3660.
How to fix CVE-2015-5312
To remediate CVE-2015-5312, upgrade the affected package to a fixed version below.
- Debian/libxml2—upgrade to 2.9.3+dfsg1-1 or later
- Debian/libxml2—upgrade to 2.7.8.dfsg-2+squeeze16 or later
- RubyGems/nokogiri—upgrade to 1.6.7.1 or later
Is CVE-2015-5312 being exploited?
Low — EPSS is 1.1%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 2.9.3+dfsg1-1
- from 0, < 2.7.8.dfsg-2+squeeze16
- >= 1.6.0, < 1.6.7.1