7.5

CVE-2022-28203: debian debian_linux Release of Invalid Pointer or Reference

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2022-28203DEBIAN-CVE-2022-28203
Published 19-09-2022Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2022-28203 is a high (CVSS 7.5) Release of Invalid Pointer or Reference vulnerability in debian debian_linux. EPSS estimates a 1.47% chance of exploitation in the next 30 days, higher than 73.4% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.47%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 3
DLA-3117-1DSA-5246-1MGASA-2022-0145

Timeline

  1. 19-09-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

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 metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

1.47%

Chance of exploitation in the next 30 days

Percentile

73%

Versus all other CVEs

30-day change

0.00 pp

From 1.47% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.47%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (phabricator.wikimedia.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian2 products
Mediawiki1 product
  • mediawiki< 1.35.6 | ≥ 1.36.0, < 1.36.4 | ≥ 1.37.0, < 1.37.2
Ubuntu1 product
  • mediawikiAll versions (No fix recorded)

3 vendors · 4 products

References

7 links