CVE-2021-41800
Fixed in a distro release EPSS 2%
MediaWiki before 1.36.2 allows a denial of service (resource consumption because of lengthy query processing time). Visiting Special:Contributions can sometimes result in a long running SQL query because PoolCounter protection is mishandled.
Products: mediawiki, fedoraproject fedora
Fixed upstream
| Ecosystem | Package | Fixed in |
|---|---|---|
| Packagist | mediawiki/core | 1.36.2 |
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Arch Linux | mediawiki | 1.36.2-1 |
| Debian 10 | mediawiki | 1:1.31.16-1~deb10u1 |
| Debian 11 | mediawiki | 1:1.35.4-1~deb11u1 |
| Debian 12 | mediawiki | 1:1.35.4-1 |
| Debian 13 | mediawiki | 1:1.35.4-1 |
| Debian 14 | mediawiki | 1:1.35.4-1 |
| Ubuntu 18.04 LTS | mediawiki | no fix |
| Ubuntu 25.10 | mediawiki | no fix |
| Ubuntu 26.04 LTS | mediawiki | no fix |
| Ubuntu 26.10 | mediawiki | no fix |
| Ubuntu Pro 20.04 LTS | mediawiki | no fix |
| Ubuntu Pro 22.04 LTS | mediawiki | no fix |
| Ubuntu Pro 24.04 LTS | mediawiki | no fix |