CVE-2010-1156 Null dereference in n/a

Medium 4.3 Published 16 Apr 2010 Updated 7 Aug 2024

Remote attackers can crash the Irssi IRC client via a null pointer dereference during fuzzy nick matching when a user leaves a channel.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2010-1156?

CVE-2010-1156 is a medium-severity vulnerability in n/a, published on 16 Apr 2010. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

core/nicklist.c in Irssi before 0.8.15 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via vectors related to an attempted fuzzy nick match at the instant that a victim leaves a channel.

Which versions are affected by CVE-2010-1156?

It affects 1 product.

Products include Irssi Irssi.

How do I fix CVE-2010-1156?

Upgrade to a fixed version.

Is CVE-2010-1156 being exploited?

There is no known exploitation of CVE-2010-1156 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2010-1156, GHSA-xw2v-vp7m-x4qc.