CVE-2023-45364
Fixed in a distro release EPSS <1%
An issue was discovered in includes/page/Article.php in MediaWiki 1.36.x through 1.39.x before 1.39.5 and 1.40.x before 1.40.1. Deleted revision existence is leaked due to incorrect permissions being checked. This reveals that a given revision ID belonged to the given page title, and its timestamp, both of which are not supposed to be public information.
Products: mediawiki, debian_linux
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 12 | mediawiki | 1:1.39.5-1~deb12u1 |
| Debian 13 | mediawiki | 1:1.39.5-1 |
| Debian 14 | mediawiki | 1:1.39.5-1 |
| 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 |