CVE-2006-6811 Null dereference in n/a

What is CVE-2006-6811?

CVE-2006-6811 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 29 Dec 2006. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

KsIRC 1.3.12 allows remote attackers to cause a denial of service (crash) via a long PRIVMSG string when connecting to an Internet Relay Chat (IRC) server, which causes an assertion failure and results in a NULL pointer dereference. NOTE: this issue was originally reported as a buffer overflow.

Weakness: CWE-617

Which versions are affected by CVE-2006-6811?

It affects 2 products.

Products include Canonical Ubuntu Linux, Kde Ksirc.

How do I fix CVE-2006-6811?

No fix has been published for CVE-2006-6811 yet. Limit exposure of the affected software until one is available.

Is CVE-2006-6811 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2006-6811 exists.

Public exploit code: 1 Exploit-DB entry.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-rvgj-fpwg-2m28.