What is CVE-2022-28203?

CVE-2022-28203 is a high-severity vulnerability in Mediawiki, classified under Release of Invalid Pointer or Reference. CVSS score: 7.5/10. Published 2022-09-19.

How severe is CVE-2022-28203?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Mediawiki

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. When many files exist, requesting Special:NewFiles with actor as a condition can result in a very long running query.

EPSS: 0.012 (65.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Mediawiki
Debian Debian_linux — versions 10.0, 11.0
N/a — versions n/a

Weakness classification (CWE)

CWE-763 — Release of Invalid Pointer or Reference

References

cve@mitre.org (Exploit, Patch, Issue Tracking, Vendor Advisory)
cve@mitre.org (mailing-list, Mailing List, Third Party Advisory)
cve@mitre.org (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2022-28203?: CVE-2022-28203 is a high-severity vulnerability in Mediawiki, classified under Release of Invalid Pointer or Reference. CVSS score: 7.5/10. Published 2022-09-19.
How severe is CVE-2022-28203?: High severity. CVSS v3 base score is 7.5 out of 10.