Debian Security Advisory
DLA-2847-1 mediawiki -- LTS security update
- Date Reported:
- 21 Dec 2021
- Affected Packages:
- Security database references:
- In Mitre's CVE dictionary: CVE-2021-44858.
- More information:
A security issue was discovered in MediaWiki, a website engine for collaborative work: Missing validation in the mcrundo action may allow allow an attacker to leak page content from private wikis or to bypass edit restrictions.
For additional information please refer to https://www.mediawiki.org/wiki/2021-12_security_release/FAQ
For Debian 9 stretch, this problem has been fixed in version 1:1.27.7-1+deb9u11.
We recommend that you upgrade your mediawiki packages.
For the detailed security status of mediawiki please refer to its security tracker page at: https://security-tracker.debian.org/tracker/mediawiki
Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS