CVE-2013-1816

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-11-20 · updated 2026-06-16
Weakness: CWE-20

Description

MediaWiki before 1.19.4 and 1.20.x before 1.20.3 allows remote attackers to cause a denial of service (application crash) by sending a specially crafted request.

Affected products

Debian Linux: 9.0, 10.0
Fedoraproject Fedora: 18
Wikimedia Foundation MediaWiki: before 1.19.4; from 1.20.0 before 1.20.3 — fixed in 1.19.4, 1.20.3
Red Hat Enterprise Linux: 6.0

How to fix

Upgrade to a fixed version: Wikimedia Foundation MediaWiki 1.19.4, 1.20.3. Check the vendor advisory for mitigations.

References

http://security.gentoo.org/glsa/glsa-201310-21.xml
http://www.openwall.com/lists/oss-security/2013/03/05/4
http://www.securityfocus.com/bid/58306
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2013-1816
https://exchange.xforce.ibmcloud.com/vulnerabilities/88360
https://security-tracker.debian.org/tracker/CVE-2013-1816
http://security.gentoo.org/glsa/glsa-201310-21.xml
http://www.openwall.com/lists/oss-security/2013/03/05/4
http://www.securityfocus.com/bid/58306
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2013-1816
https://exchange.xforce.ibmcloud.com/vulnerabilities/88360
https://security-tracker.debian.org/tracker/CVE-2013-1816

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