Description
MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2, when using HHVM, allows remote attackers to cause a denial of service (CPU and memory consumption) via a large number of nested entity references in an (1) SVG file or (2) XMP metadata in a PDF file, aka a "billion laughs attack," a different vulnerability than CVE-2015-2937.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://security.gentoo.org/glsa/201510-05 ↗
- http://www.securityfocus.com/bid/73477 ↗
- http://www.openwall.com/lists/oss-security/2015/04/07/3 ↗
- http://www.openwall.com/lists/oss-security/2015/04/01/1 ↗
- https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-March/000175.html ↗
- https://phabricator.wikimedia.org/T85848 ↗