Vulnerability Monitor

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CVE-2013-6425

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.

Security Impact Summary

CVE-2013-6425 is a security vulnerability that . Impacting 10 products from pixman, from canonical, from debian and 7 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2014, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2014-01-18T19:55:07.123

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-191

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	pixman	pixman	< 0.32.0	Yes
Operating System	canonical	ubuntu_linux	12.04	Yes
Operating System	canonical	ubuntu_linux	12.10	Yes
Operating System	canonical	ubuntu_linux	13.04	Yes
Operating System	canonical	ubuntu_linux	13.10	Yes
Operating System	debian	debian_linux	6.0	Yes
Operating System	debian	debian_linux	7.0	Yes
Operating System	redhat	enterprise_linux_desktop	5.0	Yes
Operating System	redhat	enterprise_linux_desktop	6.0	Yes
Operating System	redhat	enterprise_linux_eus	6.5	Yes
Operating System	redhat	enterprise_linux_server	5.0	Yes
Operating System	redhat	enterprise_linux_server	6.0	Yes
Operating System	redhat	enterprise_linux_server_aus	6.5	Yes
Operating System	redhat	enterprise_linux_server_tus	6.5	Yes
Operating System	redhat	enterprise_linux_workstation	5.0	Yes
Operating System	redhat	enterprise_linux_workstation	6.0	Yes
Operating System	opensuse	opensuse	11.4	Yes
Operating System	opensuse	opensuse	12.2	Yes
Operating System	opensuse	opensuse	12.3	Yes
Operating System	opensuse	opensuse	13.1	Yes

References

http://cgit.freedesktop.org/pixman/commit/?id=5e14da97f16e421d084a9e735be21b1025150f0c Patch, Third Party Advisory ([email protected])
http://lists.freedesktop.org/archives/pixman/2013-November/003109.html Patch, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-updates/2014-01/msg00001.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-updates/2014-01/msg00005.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-updates/2014-01/msg00008.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-updates/2014-01/msg00097.html Mailing List, Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2013-1869.html Third Party Advisory ([email protected])
http://www.debian.org/security/2013/dsa-2823 Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2013/12/03/8 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2013/12/04/8 Mailing List, Third Party Advisory ([email protected])
http://www.ubuntu.com/usn/USN-2047-1 Third Party Advisory ([email protected])
https://bugs.freedesktop.org/show_bug.cgi?id=67484 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1197921 Issue Tracking, Patch, Third Party Advisory ([email protected])
http://cgit.freedesktop.org/pixman/commit/?id=5e14da97f16e421d084a9e735be21b1025150f0c Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.freedesktop.org/archives/pixman/2013-November/003109.html Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-updates/2014-01/msg00001.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-updates/2014-01/msg00005.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-updates/2014-01/msg00008.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-updates/2014-01/msg00097.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2013-1869.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2013/dsa-2823 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2013/12/03/8 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2013/12/04/8 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2047-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugs.freedesktop.org/show_bug.cgi?id=67484 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1197921 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For pixman's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.