7.8

CVE-2022-38223: fedoraproject fedora Out-of-bounds Write

CVSS: 7.8v3.1HighModified
AliasesALPINE-CVE-2022-38223MGASA-2023-0006SUSE-SU-2023:0065-1
Published 15-08-2022Last modified 04-11-2025
Open JSON

Vulnerability summary

CVE-2022-38223 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in fedoraproject fedora. EPSS estimates a 0.47% chance of exploitation in the next 30 days, higher than 39.8% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.47%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Timeline

  1. 15-08-2022
    PublishedVulnerability first disclosed.
  2. 04-11-2025
    Last modifiedVulnerability information updated.

Description

There is an out-of-bounds write in checkType located in etc.c in w3m 0.5.3. It can be triggered by sending a crafted HTML file to the w3m binary. It allows an attacker to cause Denial of Service or possibly have unspecified other impact.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.47%

Chance of exploitation in the next 30 days

Percentile

40%

Versus all other CVEs

30-day change

+0.01 pp

From 0.47% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.47%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    W3M

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Suse4 products
  • w3m&distro=SUSE Linux Enterprise Module for Basesystem 15 SP4< 0.5.3+git20180125-150000.3.3.1
  • w3m&distro=SUSE Linux Enterprise Real Time 15 SP3< 0.5.3+git20180125-150000.3.3.1
  • w3m&distro=SUSE Linux Enterprise Server 12 SP5< 0.5.3.git20161120-161.6.1
  • w3m&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP5< 0.5.3.git20161120-161.6.1
Opensuse2 products
  • w3m&distro=openSUSE Leap 15.4< 0.5.3+git20180125-150000.3.3.1
  • w3m&distro=openSUSE Tumbleweed< 0.5.3+git20180125-2.1
Alpine1 product
  • w3m< 0.5.3_git20241203-r0
Debian1 product
  • w3m< 0.5.3-37+deb10u1 | < 0.5.3+git20230121-1
Fedoraproject1 product
Mageia1 product
  • w3m< 0.5.3-13.git20220429.1.mga8
Tats1 product
Ubuntu1 product
  • w3mAll versions (No fix recorded) | < 0.5.3-36ubuntu0.1 | < 0.5.3-37ubuntu0.1 | < 0.5.3+git20210102-6ubuntu0.1 | < 0.5.3-15ubuntu0.2+esm1

8 vendors · 12 products

References

22 links
Show all 22 references