CVE-2018-7053

irssi: use-after-free when SASL messages are received in unexpected order

Loading…

Severity

Low

Red Hat Product Security

3.7

CVSS 3.0

Review impact separately from score.

Published · February 13, 2018

Updated · November 22, 2025

Description

A use-after-free was found in the way Irssi, version 0.8.18 and later, handled out of order SASL messages sent by an IRC server. A remote attacker, who controls an IRC server, could crash the application by exploiting this flaw.

Statement

This issue did not affect the versions of Irssi as shipped with Red Hat Enterprise Linux 6 and 7 as they did not include support for SASL.

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 · 3.7
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE-416 · Use After Free