| Name | CVE-2021-41799 |
| Description | MediaWiki before 1.36.2 allows a denial of service (resource consumption because of lengthy query processing time). ApiQueryBacklinks (action=query&list=backlinks) can cause a full table scan. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2779-1, DSA-4979-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| mediawiki (PTS) | buster | 1:1.31.16-1+deb10u2 | fixed |
| buster (security) | 1:1.31.16-1+deb10u7 | fixed |
| bullseye | 1:1.35.11-1~deb11u1 | fixed |
| bullseye (security) | 1:1.35.13-1~deb11u1 | fixed |
| bookworm, bookworm (security) | 1:1.39.5-1~deb12u1 | fixed |
| sid, trixie | 1:1.39.5-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://lists.wikimedia.org/hyperkitty/list/wikitech-l@lists.wikimedia.org/thread/2IFS5CM2YV4VMSODPX3J2LFHKSEWVFV5/
https://phabricator.wikimedia.org/T290379