CVE-2012-5854: Flashtux Weechat

High severity, CVSS 7.5. EPSS: 5.5% chance of exploitation in the next 30 days.

Heap-based buffer overflow in WeeChat 0.3.6 through 0.3.9 allows remote attackers to cause a denial of service (crash or hang) and possibly execute arbitrary code via crafted IRC colors that are not properly decoded.

Affected products

• Flashtux Weechat: version 0.3.6 only; version 0.3.7 only; version 0.3.8 only; version 0.3.9 only

Published 2012-11-19. Last modified 2026-06-16.