CVE-2019-15717

Irssi: use-after-free if the IRC server sends double CAP

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Severity

Moderate

Red Hat Product Security

7.5

CVSS 3.0

Review impact separately from score.

Published · August 29, 2019

Updated · November 22, 2025

Description

Irssi 1.2.x before 1.2.2 has a use-after-free if the IRC server sends a double CAP.

Statement

The versions of Irssi as shipped in Red Hat Enterprise Linux 6, 7 and 8 are not affected by this vulnerability. Only Irssi versions 1.2.x may be vulnerable.

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 · 7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-416 · Use After Free