CVE-2021-41799
CVE-2021-41799
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 7.5 · High · EPSS 1.7% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
n/a
- Versions
- n/a: Affected
No fix published
mediawiki Debian:12
- Affected ranges
- ECOSYSTEM: < 1:1.35.4-1
Update to 1:1.35.4-1
mediawiki Debian:13
- Affected ranges
- ECOSYSTEM: < 1:1.35.4-1
Update to 1:1.35.4-1
mediawiki Debian:14
- Affected ranges
- ECOSYSTEM: < 1:1.35.4-1
Update to 1:1.35.4-1
mediawiki Ubuntu:18.04:LTS
- Versions
- 1:1.27.3-1
- 1:1.27.4-1
- 1:1.27.4-2
- 1:1.27.4-3
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mediawiki Ubuntu:Pro:20.04:LTS
- Versions
- 1:1.31.2-1ubuntu1
- 1:1.31.5-1
- 1:1.31.5-1ubuntu1
- 1:1.31.5-2
- 1:1.31.5-3
- 1:1.31.5-3ubuntu1
- 1:1.31.6-1
- 1:1.31.7-1
- 1:1.31.7-1ubuntu0.1~esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mediawiki Ubuntu:Pro:22.04:LTS
- Versions
- 1:1.35.3-1
- 1:1.35.4-1
- 1:1.35.5-1
- 1:1.35.5-1ubuntu1
- 1:1.35.5-1ubuntu2
- 1:1.35.5-1ubuntu3
- 1:1.35.6-1
- 1:1.35.6-1ubuntu0.1~esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mediawiki Ubuntu:Pro:24.04:LTS
- Versions
- 1:1.39.4-2
- 1:1.39.5-1
- 1:1.39.6-1
- 1:1.39.7-1
- 1:1.39.7-1ubuntu0.1~esm1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mediawiki Ubuntu:25.10
- Versions
- 1:1.43.1+dfsg-1
- 1:1.43.1+dfsg-2
- 1:1.43.3+dfsg-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mediawiki Ubuntu:26.10
- Versions
- 1:1.43.8+dfsg-2
- 1:1.43.9+dfsg-1
- 1:1.43.9+dfsg-1ubuntu1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
mediawiki Ubuntu:26.04:LTS
- Versions
- 1:1.43.3+dfsg-1
- 1:1.43.5+dfsg-1
- 1:1.43.6+dfsg-2
- 1:1.43.8+dfsg-1
- 1:1.43.8+dfsg-2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
Original sources
- https://phabricator.wikimedia.org/T290394
- https://lists.wikimedia.org/hyperkitty/list/wikitech-l%40lists.wikimedia.org/thread/2IFS5CM2YV4VMSODPX3J2LFHKSEWVFV5/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QNEAI2T3Y65I55ZB6UE6RMC662RZTGRX/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CJDYJQWT43GBD6GNQ4OW7JOZ6WQ6DZTN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MDBPECBWN6LWNSWIQMVXK6PP4YFEUYHA/
- https://security.gentoo.org/glsa/202305-24
- https://nvd.nist.gov/vuln/detail/CVE-2021-41799