Medium 5.0Published Jan 18, 2014

CVE-2013-6425Integer 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) v…

Updated under an hour ago (Nov 2, 2026, 12:23 AM ET)

Does this affect you?

It affects pixman and 9 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stackFree account, 3 products Every CVE for pixman Exploited in the last 30 days

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.

CVSS: 5.0 MEDIUM (v2.0, NVD)AV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness (CWE): CWE-191
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

pixman pixman pixman:pixman	before 0.32.0	NVD
canonical ubuntu_linux canonical:ubuntu_linux	12.04; 12.10; 13.04; 13.10	NVD
debian debian_linux debian:debian_linux	6.0; 7.0	NVD
redhat enterprise_linux_desktop redhat:enterprise_linux_desktop	5.0; 6.0	NVD
redhat enterprise_linux_eus redhat:enterprise_linux_eus	6.5	NVD
redhat enterprise_linux_server redhat:enterprise_linux_server	5.0; 6.0	NVD
redhat enterprise_linux_server_aus redhat:enterprise_linux_server_aus	6.5	NVD
redhat enterprise_linux_server_tus redhat:enterprise_linux_server_tus	6.5	NVD
redhat enterprise_linux_workstation redhat:enterprise_linux_workstation	5.0; 6.0	NVD
opensuse opensuse opensuse:opensuse	11.4; 12.2; 12.3; 13.1	NVD

References

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
1–10 of 13

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.