CVE-2013-4570: Mediawiki

Medium severity, CVSS 5.0. EPSS: 1.7% chance of exploitation in the next 30 days.

The zend_inline_hash_func function in php-luasandbox in the Scribuntu extension for MediaWiki before 1.19.10, 1.2x before 1.21.4, and 1.22.x before 1.22.1 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via vectors related to converting Lua data structures to PHP, as demonstrated by passing { [{}] = 1 } to a module function.

Affected products

• Mediawiki Mediawiki: version 1.22.0 only; up to and including 1.19.9; version 1.19 only; version 1.19.0 only; version 1.19.1 only; version 1.19.2 only; …

Published 2014-05-12. Last modified 2026-06-16.