CVE-2014-8241 Null dereference in n/a

Critical 9.8 Published 14 Dec 2016 Updated 6 Aug 2024

A remote VNC server can crash the TigerVNC client by triggering a null pointer dereference due to unchecked memory allocation failures.

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

What is CVE-2014-8241?

CVE-2014-8241 is a critical vulnerability in Redhat Enterprise Linux Desktop, published on 14 Dec 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

XRegion in TigerVNC allows remote VNC servers to cause a denial of service (NULL pointer dereference) by leveraging failure to check a malloc return value, a similar issue to CVE-2014-6052.

Weakness: CWE-476

Which versions are affected by CVE-2014-8241?

It affects 5 products.

Products include Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Hpc Node, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation, Tigervnc Tigervnc.

How do I fix CVE-2014-8241?

Apply the vendor's patch.

Is CVE-2014-8241 being exploited?

There is no known exploitation of CVE-2014-8241 in the wild and no public exploit code.

All Redhat Enterprise Linux Desktop vulnerabilities

Sources

Also known as DEBIAN-CVE-2014-8241, GHSA-gq2g-qwmw-m5q3.