High severity · published Sep 19, 2022
CVE-2022-28203
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
7.5
CVSS
1.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
10.0; 11.0 · source: NVD
ME
Mediawiki · Mediawiki
before 1.35.6; 1.36.0 before 1.36.4; 1.37.0 before 1.37.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-28203
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-28203
Mailing List
https://lists.debian.org/debian-lts-announce/2022/09/msg00027.html
Exploit
https://phabricator.wikimedia.org/T297731
Third Party Advisory
https://www.debian.org/security/2022/dsa-5246
More from Debian Linux
10.0
CVE-2025-32433
Erlang/OTP SSH Vulnerable to Pre-Authentication RCE
10.0
CVE-2025-24201
Apple Multiple Products WebKit Out-of-Bounds Write Vulnerability
10.0
CVE-2021-44228
Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints
10.0
CVE-2015-3306
ProFTPD Improper Access Control Vulnerability
9.8
CVE-2026-24061
GNU InetUtils Argument Injection Vulnerability