CVE-2022-38223

w3m: an out-of-bounds write in checkType located in etc.c in w3m

Published Aug 15, 2022 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3541-1 w3m security update
Ubuntu USN Ubuntu USN USN-5796-1 w3m vulnerability
Ubuntu USN Ubuntu USN USN-5796-2 w3m vulnerability
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Nov 4, 2025, 6:14 PM
Reserved
Aug 15, 2022, 12:00 AM
Status
Modified
Published
Aug 15, 2022, 11:21 AM
Modified
Jun 17, 2026, 4:56 AM
Severity
Important
Public date
Aug 15, 2022, 12:00 AM