CVE-2023-29132: Irssi

Medium severity, CVSS 5.3. EPSS: 0.8% chance of exploitation in the next 30 days.

Irssi 1.3.x and 1.4.x before 1.4.4 has a use-after-free because of use of a stale special collector reference. This occurs when printing of a non-formatted line is concurrent with printing of a formatted line.

Affected products

• Irssi Irssi: from 1.3.0, before 1.4.4 (fixed in 1.4.4)

Published 2023-04-14. Last modified 2026-06-17.