CVE-2019-5882: Canonical Ubuntu Linux

Critical severity, CVSS 9.8. EPSS: 2.5% chance of exploitation in the next 30 days.

Irssi 1.1.x before 1.1.2 has a use after free when hidden lines are expired from the scroll buffer.

Affected products

• Canonical Ubuntu Linux: version 14.04 only; version 16.04 only; version 18.04 only; version 18.10 only
• Irssi Irssi: from 1.1.0, before 1.1.2 (fixed in 1.1.2)

Published 2019-01-09. Last modified 2026-06-17.