Debian Security Advisory

DLA-2779-1 mediawiki -- LTS security update

Date Reported:
09 Oct 2021
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2021-35197, CVE-2021-41798, CVE-2021-41799.
More information:

Multiple security issues were found in MediaWiki, a website engine for collaborative work, which could result in cross-site scripting, denial of service and certain unintended API access.

For Debian 9 stretch, these problems have been fixed in version 1:1.27.7-1~deb9u10.

We recommend that you upgrade your mediawiki packages.

For the detailed security status of mediawiki please refer to its security tracker page at:

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: