Home / mailings [SECURITY] [DSA 6208-1] mediawiki security update
Posted on 12 April 2026
Debian Security Advisory- -------------------------------------------------------------------------
Debian Security Advisory DSA-6208-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
April 12, 2026 https://www.debian.org/security/faq
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Package : mediawiki
CVE ID : CVE-2026-34086 CVE-2026-34087 CVE-2026-34088
CVE-2026-34091 CVE-2026-34092 CVE-2026-34093
CVE-2026-34094 CVE-2026-34095 CVE-2026-5266
Multiple security issues were discovered in MediaWiki, a website engine
for collaborative work, which could result in information disclosure or
incomplete permission checks.
For the oldstable distribution (bookworm), these problems have been fixed
in version 1:1.39.17-1+deb12u2.
For the stable distribution (trixie), these problems have been fixed in
version 1:1.43.8+dfsg-1~deb13u1.
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 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: debian-security-announce@lists.debian.org
