CVE-2013-6424

CVE-2013-6424 is a medium-severity vulnerability in Pixman with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-191.

Key facts

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.

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?
CVE-2013-6424 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2013-6424 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-6424?
CVE-2013-6424 primarily affects Pixman. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-6424?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-6424 published?
CVE-2013-6424 was published on 2014-01-18 and last updated on 2026-06-17.

References

Affected products (9)

More vulnerabilities in Pixman

All CVEs affecting Pixman →

Other CWE-191 (Integer Underflow) vulnerabilities

Browse all CWE-191 (Integer Underflow) vulnerabilities →