CVE-2018-5206

irssi: NULL pointer dereference when channel topic is set without specifying sender

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Severity

Moderate

Red Hat Product Security

5.3

CVSS 3.0

Review impact separately from score.

Published · January 6, 2018

Updated · November 22, 2025

Description

When the channel topic is set without specifying a sender, Irssi before 1.0.6 may dereference a NULL pointer.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 5.3
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-476 · NULL Pointer Dereference