CVE-2017-5356: Debian Linux
High severity, CVSS 7.5. EPSS: 4.8% chance of exploitation in the next 30 days.
Irssi before 0.8.21 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a string containing a formatting sequence (%[) without a closing bracket (]).
Affected products
Published 2017-03-03. Last modified 2026-06-17.