CVE-2022-38223: Fedoraproject Fedora

High severity, CVSS 7.8. EPSS: 0.5% chance of exploitation in the next 30 days.

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.

Affected products

• Fedoraproject Fedora: version 36 only; version 37 only
• Tats w3m: version 0.5.3 only

Published 2022-08-15. Last modified 2026-06-17.