Vulnerability · Published Oct 9, 2023 · Assigned by mitre
CVE-2023-45363
High 7.5
In plain English
A high-severity infinite loop in the mediawiki package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 23.8% (higher than 98% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
An issue was discovered in ApiPageSet.php in MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. It allows attackers to cause a denial of service (unbounded loop and RequestTimeoutException) when querying pages redirected to other variants with redirects and converttitles set.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | mediawiki | 1:1.39.5-1~deb12u1 | DSA-5520-1 |
| Debian:12 | mediawiki | 1:1.39.5-1~deb12u1 | DEBIAN-CVE-2023-45363 |
| Debian:13 | mediawiki | 1:1.39.5-1 | DEBIAN-CVE-2023-45363 |
| Debian:14 | mediawiki | 1:1.39.5-1 | DEBIAN-CVE-2023-45363 |
| Packagist | mediawiki/core | 1.35.12 | GHSA-w5fx-cx7f-6vr9 |
| Packagist | mediawiki/core | 1.39.5 | GHSA-w5fx-cx7f-6vr9 |
| Packagist | mediawiki/core | 1.40.1 | GHSA-w5fx-cx7f-6vr9 |
| Ubuntu:25.10 | mediawiki | no fix listed | UBUNTU-CVE-2023-45363 |
| Ubuntu:26.04:LTS | mediawiki | no fix listed | UBUNTU-CVE-2023-45363 |
| Ubuntu:26.10 | mediawiki | no fix listed | UBUNTU-CVE-2023-45363 |
Affected products (as reported)
Weakness: CWE-835 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H