CVE-2018-5207: Debian Linux

High severity, CVSS 7.5. EPSS: 1.9% chance of exploitation in the next 30 days.

When using an incomplete variable argument, Irssi before 1.0.6 may access data beyond the end of the string.

Affected products

• Debian Debian Linux: version 9.0 only
• Irssi Irssi: before 1.0.6 (fixed in 1.0.6)

Published 2018-01-06. Last modified 2026-06-17.