CVE-2014-8091

Name: CVE-2014-8091
Creator: NVD / NIST
Published: 2014-12-10T15:59:02.657+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.19%

Last modified Jun 17, 2026

CVE-2014-8091 is a vulnerability of currently unknown severity. X.Org X Window System (aka X11 and X) X11R5 and X.Org Server (aka xserver and xorg-server) before 1.16.3, when using SUN-DES-1 (Secure RPC) authentication credentials, does not check the return value of a malloc call, which allows remote attackers to cause a denial of service (NULL pointer dereference and server crash) via a crafted connection request.. EPSS estimates a 4.19% chance of exploitation in the next 30 days.

Description

X.Org X Window System (aka X11 and X) X11R5 and X.Org Server (aka xserver and xorg-server) before 1.16.3, when using SUN-DES-1 (Secure RPC) authentication credentials, does not check the return value of a malloc call, which allows remote attackers to cause a denial of service (NULL pointer dereference and server crash) via a crafted connection request.

Metrics

EPSS Probability

4.19%

89.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
X.Org	X Server	<= 1.16.2
X.Org	X11	5.0

References

Timeline

Published: Dec 10, 2014
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2014-8091?

How severe is CVE-2014-8091?

Severity scoring for CVE-2014-8091 is pending analysis. The EPSS model estimates a 4.19% probability of exploitation in the next 30 days.

How do I fix CVE-2014-8091?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2014-8091?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST