Vulnerability · Published Sep 19, 2022 · Assigned by mitre
CVE-2022-28203
High 7.5
In plain English
A high-severity security flaw 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 1.5% (higher than 74% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.5%top 26.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A denial-of-service issue was discovered in MediaWiki before 1.35.6, 1.36.x before 1.36.4, and 1.37.x before 1.37.2. When many files exist, requesting Special:NewFiles with actor as a condition can result in a very long running query.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | mediawiki | 1:1.35.6-1 | DEBIAN-CVE-2022-28203 |
| Debian:13 | mediawiki | 1:1.35.6-1 | DEBIAN-CVE-2022-28203 |
| Debian:14 | mediawiki | 1:1.35.6-1 | DEBIAN-CVE-2022-28203 |
| Ubuntu:25.10 | mediawiki | no fix listed | UBUNTU-CVE-2022-28203 |
| Ubuntu:26.04:LTS | mediawiki | no fix listed | UBUNTU-CVE-2022-28203 |
| Ubuntu:26.10 | mediawiki | no fix listed | UBUNTU-CVE-2022-28203 |