CVE-2017-5195: Irssi

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

Irssi 0.8.17 before 0.8.21 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a crafted ANSI x8 color code.

Affected products

• Irssi Irssi: from 0.8.17, before 0.8.21 (fixed in 0.8.21)

Published 2017-03-03. Last modified 2026-06-17.