CVE-2013-6424

Name: CVE-2013-6424
Creator: NVD / NIST
Published: 2014-01-18T19:55:02.917+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.88%

Last modified Jun 17, 2026

CVE-2013-6424 is a vulnerability of currently unknown severity. Integer underflow in the xTrapezoidValid macro in render/picture.h in X.Org allows context-dependent attackers to cause a denial of service (crash) via a negative bottom value.. EPSS estimates a 2.88% chance of exploitation in the next 30 days.

Description

Integer underflow in the xTrapezoidValid macro in render/picture.h in X.Org allows context-dependent attackers to cause a denial of service (crash) via a negative bottom value.

Metrics

EPSS Probability

2.88%

85.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-191

Affected Software

Vendor	Product	Versions
Pixman	Pixman	< 0.31.2
Debian	Debian Linux	6.0
Debian	Debian Linux	7.0
Opensuse	Opensuse	12.2
Opensuse	Opensuse	12.3
Opensuse	Opensuse	13.1
Canonical	Ubuntu Linux	12.04
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	14.10

References

http://lists.opensuse.org/opensuse-updates/2013-12/msg00127.htmlMailing List, Third Party Advisory
http://lists.x.org/archives/xorg-devel/2013-October/037996.htmlPatch
http://rhn.redhat.com/errata/RHSA-2013-1868.htmlBroken Link
http://www.debian.org/security/2013/dsa-2822Third Party Advisory
http://www.openwall.com/lists/oss-security/2013/12/03/8Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2013/12/04/8Mailing List, Third Party Advisory
http://www.ubuntu.com/usn/USN-2500-1Third Party Advisory
https://bugs.freedesktop.org/show_bug.cgi?id=67484Issue Tracking, Patch, Vendor Advisory
https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1197921Issue Tracking, Patch, Third Party Advisory
https://security.gentoo.org/glsa/201701-64Third Party Advisory
https://security.gentoo.org/glsa/201710-30Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2013-12/msg00127.htmlMailing List, Third Party Advisory
http://lists.x.org/archives/xorg-devel/2013-October/037996.htmlPatch
http://rhn.redhat.com/errata/RHSA-2013-1868.htmlBroken Link
http://www.debian.org/security/2013/dsa-2822Third Party Advisory
http://www.openwall.com/lists/oss-security/2013/12/03/8Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2013/12/04/8Mailing List, Third Party Advisory
http://www.ubuntu.com/usn/USN-2500-1Third Party Advisory
https://bugs.freedesktop.org/show_bug.cgi?id=67484Issue Tracking, Patch, Vendor Advisory
https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1197921Issue Tracking, Patch, Third Party Advisory
https://security.gentoo.org/glsa/201701-64Third Party Advisory
https://security.gentoo.org/glsa/201710-30Third Party Advisory

Timeline

Published: Jan 18, 2014
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2013-6424?

Integer underflow in the xTrapezoidValid macro in render/picture.h in X.Org allows context-dependent attackers to cause a denial of service (crash) via a negative bottom value.

How severe is CVE-2013-6424?

Severity scoring for CVE-2013-6424 is pending analysis. The EPSS model estimates a 2.88% probability of exploitation in the next 30 days.

How do I fix CVE-2013-6424?

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-2013-6424?

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

Scan your code now

Source: NVD / NIST