Integer underflow in the pixman_trapezoid_valid macro in pixman.h in Pixman before…
Priority LOW 28CWE-191Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-191 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.0288 86th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 20
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:pixman:pixman:*:*:*:*:*:*:*:* | before 0.32.0 | Vulnerable | Pixman |
| cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* | 12.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:* | 12.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:13.04:*:*:*:*:*:*:* | 13.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:13.10:*:*:*:*:*:*:* | 13.10 | Vulnerable | Canonical |
| cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Debian |
| cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_eus:6.5:*:*:*:*:*:*:* | 6.5 | Vulnerable | Red Hat |
- cpe:2.3:a:pixman:pixman:*:*:*:*:*:*:*:* Versions before 0.32.0 Vulnerable ·Pixman
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* Versions 12.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:* Versions 12.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:13.04:*:*:*:*:*:*:* Versions 13.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:13.10:*:*:*:*:*:*:* Versions 13.10 Vulnerable ·Canonical
- cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
- cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_eus:6.5:*:*:*:*:*:*:* Versions 6.5 Vulnerable ·Red Hat
Show 10 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_aus:6.5:*:*:*:*:*:*:* | 6.5 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_tus:6.5:*:*:*:*:*:*:* | 6.5 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* | 11.4 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:* | 12.2 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:* | 12.3 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* | 13.1 | Vulnerable | openSUSE |
- cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_aus:6.5:*:*:*:*:*:*:* Versions 6.5 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_tus:6.5:*:*:*:*:*:*:* Versions 6.5 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* Versions 11.4 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:* Versions 12.2 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:* Versions 12.3 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* Versions 13.1 Vulnerable ·openSUSE
Remediation
Red Hat 1 advisory
- RHSA-2013:1869 Released 2013-12-20 · Red Hat rating Importantpixman security update
- Red Hat Enterprise Linux Desktop (v. 5 client) pixman-0.22.0-2.2.el5_10, pixman-0.22.0-2.2.el5_10.i386, pixman-devel-0.22.0-2.2.el5_10 +1
- Red Hat Enterprise Linux Desktop (v. 6) pixman-0.26.2-5.1.el6_5
- Red Hat Enterprise Linux Desktop Optional (v. 6) pixman-0.26.2-5.1.el6_5, pixman-devel-0.26.2-5.1.el6_5
- Red Hat Enterprise Linux HPC Node (v. 6) pixman-0.26.2-5.1.el6_5
- Red Hat Enterprise Linux HPC Node Optional (v. 6) pixman-0.26.2-5.1.el6_5, pixman-devel-0.26.2-5.1.el6_5
- Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) pixman-0.22.0-2.2.el5_10, pixman-0.22.0-2.2.el5_10.i386, pixman-devel-0.22.0-2.2.el5_10 +1
- Red Hat Enterprise Linux Server (v. 6) pixman-0.26.2-5.1.el6_5, pixman-0.26.2-5.1.el6_5.ppc, pixman-devel-0.26.2-5.1.el6_5 +1
- Red Hat Enterprise Linux Workstation (v. 6) pixman-0.26.2-5.1.el6_5, pixman-devel-0.26.2-5.1.el6_5
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2013:1869 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2013:1869 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2013:1869 |
| Red Hat Enterprise Linux HPC Node (v. 6) | Fixed | RHSA-2013:1869 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2013:1869 |
| Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) | Fixed | RHSA-2013:1869 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2013:1869 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2013:1869 |
Not affected: 2 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2013-6425
- 2026-10-03 Alias added: GHSA-pm7m-xq2w-2q3x
References
Patch 4
Sources
- CVE-2013-6425 · CVE Program
- CVE-2013-6425 · NVD
- FIRST EPSS
- GHSA-pm7m-xq2w-2q3x · GitHub Advisory Database · CC BY 4.0
- CVE-2013-6425 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences