CVE-2018-5208

9.8 criticalEPSS 2.4%

Critical (9.8). EPSS 2.4% chance of exploitation in the next 30 days.

In Irssi before 1.0.6, a calculation error in the completion code could cause a heap buffer overflow when completing certain strings.

Severity

9.8 critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 2.4% chance of exploitation in the next 30 days; higher than 83% of CVEs (scores of 2026-10-31)
CWE: CWE-119
Published: 2018-01-06
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19