Debian Security Advisory

DLA-2648-2 mediawiki -- LTS security update

Date Reported:
11 May 2021
Affected Packages:
Security database references:
In the Debian bugtracking system: Bug 985574, Bug 984664.
In Mitre's CVE dictionary: CVE-2021-20270, CVE-2021-27291, CVE-2021-30152, CVE-2021-30155, CVE-2021-30158, CVE-2021-30159.
More information:

The patch from latest upstream release to address CVE-2021-30152 was not portable to stretch-security version causing MediaWiki APIs to fail. This update includes a patch from upstream REL_31 release which fix the issue.

For Debian 9 stretch, this problem has been fixed in version 1:1.27.7-1~deb9u9.

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: