CVE-2017-5193

Published: Mar 3, 2017Modified: May 13, 2026

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

The nickcmp function in Irssi before 0.8.21 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a message without a nick.

Affected (2)

Products: Irssi: Irssi · Debian: Debian Linux

1 product

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Irssi Irssi	Before 0.8.21

Configuration B

1 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 7.0

Related CWEs

CWE-476

NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

References (10)

http://www.openwall.com/lists/oss-security/2017/01/06/1

Source: cve@mitre.org

Mailing ListThird Party Advisory

http://www.securityfocus.com/bid/95310

Source: cve@mitre.org

Third Party AdvisoryVDB Entry

https://irssi.org/security/irssi_sa_2017_01.txt

Source: cve@mitre.org

PatchVendor Advisory

https://lists.debian.org/debian-lts-announce/2017/12/msg00022.html

Source: cve@mitre.org

Third Party Advisory

https://security.gentoo.org/glsa/201701-45

Source: cve@mitre.org

Third Party Advisory

http://www.openwall.com/lists/oss-security/2017/01/06/1