CVE-2010-1166

The fbComposite function in fbpict.c in the Render extension in the X server in X.Org X11R7.1...

7.1 HighFix available

The fbComposite function in fbpict.c in the Render extension in the X server in X.Org X11R7.1 allows remote authenticated users to cause a denial of service (memory corruption and daemon crash) or possibly execute arbitrary code via a crafted request, related to an incorrect macro definition.

Exploit likelihood

5.35%Down 0.9 points since Feb 4, 2022

What each source reports

NVD Score used 7.1

Record: CVE-2010-1166
CVSS 2.0: 7.1 HighAV:N/AC:H/Au:S/C:C/I:C/A:C
Weakness: CWE-189
Updated: 2026-11-02

CVE List No score

Record: CVE-2010-1166
Updated: 2026-11-02

EUVDEUVD-2010-1196 No score

Record: EUVD-2010-1196
Updated: 2026-11-03

GitHub AdvisoriesGHSA-r2w8-jwh3-x7vc No score

The fbComposite function in fbpict.c in the Render extension in the X server in X.Org X11R7.1...

Record: GHSA-r2w8-jwh3-x7vc
Updated: 2026-11-02

Affected products

x x.org

Affected packages

Affected packages
Package	Affected	Fixed
`xorg-x11-server` Red Hat:enterprise_linux:5::client_workstation	before 0:1.1.1-48.76.el5_5.1	0:1.1.1-48.76.el5_5.1
`xorg-x11-server-debuginfo` Red Hat:enterprise_linux:5::client_workstation	before 0:1.1.1-48.76.el5_5.1	0:1.1.1-48.76.el5_5.1
`xorg-x11-server-sdk` Red Hat:enterprise_linux:5::client_workstation	before 0:1.1.1-48.76.el5_5.1	0:1.1.1-48.76.el5_5.1
`xorg-x11-server` Red Hat:enterprise_linux:5::client	before 0:1.1.1-48.76.el5_5.1	0:1.1.1-48.76.el5_5.1
`xorg-x11-server-Xdmx` Red Hat:enterprise_linux:5::client	before 0:1.1.1-48.76.el5_5.1	0:1.1.1-48.76.el5_5.1
`xorg-x11-server-Xephyr` Red Hat:enterprise_linux:5::client	before 0:1.1.1-48.76.el5_5.1	0:1.1.1-48.76.el5_5.1
`xorg-x11-server-Xnest` Red Hat:enterprise_linux:5::client	before 0:1.1.1-48.76.el5_5.1	0:1.1.1-48.76.el5_5.1
`xorg-x11-server-Xorg` Red Hat:enterprise_linux:5::client	before 0:1.1.1-48.76.el5_5.1	0:1.1.1-48.76.el5_5.1
`xorg-x11-server-Xvfb` Red Hat:enterprise_linux:5::client	before 0:1.1.1-48.76.el5_5.1	0:1.1.1-48.76.el5_5.1
`xorg-x11-server-Xvnc-source` Red Hat:enterprise_linux:5::client	before 0:1.1.1-48.76.el5_5.1	0:1.1.1-48.76.el5_5.1

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Affected packages
Package	Affected	Fixed
`xorg-x11-server-debuginfo` Red Hat:enterprise_linux:5::client	before 0:1.1.1-48.76.el5_5.1	0:1.1.1-48.76.el5_5.1
`xorg-x11-server` Red Hat:enterprise_linux:5::server	before 0:1.1.1-48.76.el5_5.1	0:1.1.1-48.76.el5_5.1
`xorg-x11-server-Xdmx` Red Hat:enterprise_linux:5::server	before 0:1.1.1-48.76.el5_5.1	0:1.1.1-48.76.el5_5.1
`xorg-x11-server-Xephyr` Red Hat:enterprise_linux:5::server	before 0:1.1.1-48.76.el5_5.1	0:1.1.1-48.76.el5_5.1
`xorg-x11-server-Xnest` Red Hat:enterprise_linux:5::server	before 0:1.1.1-48.76.el5_5.1	0:1.1.1-48.76.el5_5.1
`xorg-x11-server-Xorg` Red Hat:enterprise_linux:5::server	before 0:1.1.1-48.76.el5_5.1	0:1.1.1-48.76.el5_5.1
`xorg-x11-server-Xvfb` Red Hat:enterprise_linux:5::server	before 0:1.1.1-48.76.el5_5.1	0:1.1.1-48.76.el5_5.1
`xorg-x11-server-Xvnc-source` Red Hat:enterprise_linux:5::server	before 0:1.1.1-48.76.el5_5.1	0:1.1.1-48.76.el5_5.1
`xorg-x11-server-debuginfo` Red Hat:enterprise_linux:5::server	before 0:1.1.1-48.76.el5_5.1	0:1.1.1-48.76.el5_5.1
`xorg-x11-server-sdk` Red Hat:enterprise_linux:5::server	before 0:1.1.1-48.76.el5_5.1	0:1.1.1-48.76.el5_5.1

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2010-1166 is a high vulnerability (CVSS 7.1) in X X.org, published April 29, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.35%, the 92nd percentile. Fixed in xorg-x11-server 0:1.1.1-48.76.el5_5.1.

References

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