Is CVE-2013-6425 being actively exploited?

CVE-2013-6425 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-6425?

CVE-2013-6425 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2013-6425

MEDIUM · CVSS 5.0EPSS 2.9%EU EUVD

Integer underflow in the pixman_trapezoid_valid macro in pixman.h in Pixman before 0.32.0, as used in X.Org server and cairo, allows context-dependent attackers to cause a denial of service (crash) via a negative bottom value.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness (CWE): CWE-191
EPSS score: 2.9% (87th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-6237)
Published: January 18, 2014
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-6237 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
canonical / ubuntu linux
debian / debian linux
debian / debian linux
opensuse / opensuse
opensuse / opensuse
opensuse / opensuse
opensuse / opensuse
pixman / pixman
redhat / enterprise linux desktop
redhat / enterprise linux desktop
redhat / enterprise linux eus
redhat / enterprise linux server
redhat / enterprise linux server
redhat / enterprise linux server aus
redhat / enterprise linux server tus
redhat / enterprise linux workstation
redhat / enterprise linux workstation

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

Red Hat Enterprise Linux 5 OpenSSH-Server Cryptographic Module - Red Hat®, Inc. - FIPS 140 1384 - historical

References

http://cgit.freedesktop.org/pixman/commit/?id=5e14da97f16e421d084a9e735be21b1025150f0c(Patch, Third Party Advisory)
http://lists.freedesktop.org/archives/pixman/2013-November/003109.html(Patch, Third Party Advisory)
http://lists.opensuse.org/opensuse-updates/2014-01/msg00001.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-updates/2014-01/msg00005.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-updates/2014-01/msg00008.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-updates/2014-01/msg00097.html(Mailing List, Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2013-1869.html(Third Party Advisory)
http://www.debian.org/security/2013/dsa-2823(Third Party Advisory)
http://www.openwall.com/lists/oss-security/2013/12/03/8(Mailing List, Third Party Advisory)
http://www.openwall.com/lists/oss-security/2013/12/04/8(Mailing List, Third Party Advisory)
http://www.ubuntu.com/usn/USN-2047-1(Third Party Advisory)
https://bugs.freedesktop.org/show_bug.cgi?id=67484(Issue Tracking, Patch, Third Party Advisory)
https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1197921(Issue Tracking, Patch, Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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