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Debian Security Advisory DSA-5021-1                   [email protected]
https://www.debian.org/security/                       Moritz Muehlenhoff
December 15, 2021                     https://www.debian.org/security/faq
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Package        : mediawiki
CVE ID         : CVE-2021-44857 CVE-2021-44858 CVE-2021-45038

Multiple security issues were discovered in MediaWiki, a website engine
for collaborative work: Vulnerabilities in the mcrundo and rollback
actions may allow an attacker to leak page content from private wikis
or to bypass edit restrictions.

For additional information please refer to

For the oldstable distribution (buster), these problems have been fixed
in version 1:1.31.16-1+deb10u2.

For the stable distribution (bullseye), these problems have been fixed in
version 1:1.35.4-1+deb11u2.

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 Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: [email protected]