CVE-2015-2937

Description

MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2, when using HHVM or Zend PHP, allows remote attackers to cause a denial of service ("quadratic blowup" and memory consumption) via an XML file containing an entity declaration with long replacement text and many references to this entity, a different vulnerability than CVE-2015-2942.

How to fix CVE-2015-2937

To remediate CVE-2015-2937, upgrade the affected package to a fixed version below.

• Debian/mediawiki—upgrade to 1:1.19.20+dfsg-2.3 or later

Is CVE-2015-2937 being exploited?

Low — EPSS is 2.0%, meaning exploitation activity has not been observed at scale.

Affected packages (1)

• from 0, < 1:1.19.20+dfsg-2.3

References (1)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2015-2937