CVE-2017-5193

HIGH

irssi < 0.8.21 - Denial of Service via Nickless Message

Title source: llm

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.

References (5)

Core 5

Core References

Mailing List, Third Party Advisory mailing-list x_refsource_mlist

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

Third Party Advisory mailing-list x_refsource_mlist

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

Patch, Vendor Advisory x_refsource_confirm

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

Third Party Advisory, VDB Entry vdb-entry x_refsource_bid

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

Third Party Advisory vendor-advisory x_refsource_gentoo

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

Scores

CVSS v3 7.5

EPSS 0.0559

EPSS Percentile 91.9%

Attack Vector NETWORK

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

Details

CWE

CWE-476

Status published

Products (2)

debian/debian_linux 7.0

irssi/irssi < 0.8.21

Published Mar 03, 2017

Tracked Since Feb 18, 2026