CVE-2015-2942

High

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.

SeverityHigh
CVSS7.1
Exploit probability—
ProductMediawiki
PublishedApr 13, 2015
First seenApr 13, 2015

How to fix

Affected products

ProductAffected versionsFixed in
mediawiki mediawikiv ≤ 1.19.23, 1.20, 1.20.1, 1.20.2, 1.20.3, 1.20.4, 1.20.5, 1.20.6, 1.20.7, 1.20.8, 1.21, 1.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.5, 1.21.6, 1.21.7, 1.21.8, 1.21.9, 1.21.10, 1.21.11, 1.22.0, 1.22.1, 1.22.2, 1.22.3, 1.22.4, 1.22.5, 1.22.6, 1.22.7, 1.22.8, 1.22.9, 1.22.10, 1.22.11, 1.22.12, 1.22.13, 1.22.14, 1.22.15, 1.23.0, 1.23.1, 1.23.2, 1.23.3, 1.23.4, 1.23.5, 1.23.6, 1.23.7, 1.23.8, 1.24.0, 1.24.1—

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CVE-2015-2942 · Mediawiki · Dark Radar