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Fencer Intel
high 7.1

CVE-2010-1166 json

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…

published 16y ago modified 4mo ago also EUVD-2010-1196

cvss
7.1
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.4%
EPSS 5.4% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

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.

Patch / fix

  • xorg-x11-server RHEL 5 1.1.1-48.76.el5_5.1
  • xorg-x11-server-sdk RHEL 5 1.1.1-48.76.el5_5.1
  • xorg-x11-server-Xdmx RHEL 5 1.1.1-48.76.el5_5.1
  • xorg-x11-server-Xorg RHEL 5 1.1.1-48.76.el5_5.1
  • xorg-x11-server-Xvfb RHEL 5 1.1.1-48.76.el5_5.1
  • xorg-x11-server-Xnest RHEL 5 1.1.1-48.76.el5_5.1
  • xorg-x11-server-Xephyr RHEL 5 1.1.1-48.76.el5_5.1
  • xorg-x11-server-Xvnc-source RHEL 5 1.1.1-48.76.el5_5.1

red hat advisories RHSA-2010:0382

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2010-1166 updated cvss 7.6

Xorg: X server Render extension memory corruption

  • Red Hat Enterprise Linux (v. 5 server) xorg-x11-server 1.1.1-48.76.el5_5.1, xorg-x11-server-sdk 1.1.1-48.76.el5_5.1, xorg-x11-server-Xdmx 1.1.1-48.76.el5_5.1, xorg-x11-server-Xorg 1.1.1-48.76.el5_5.1, xorg-x11-server-Xvfb 1.1.1-48.76.el5_5.1, xorg-x11-server-Xnest 1.1.1-48.76.el5_5.1, +2 more Red Hat Enterprise Linux Desktop (v. 5 client) xorg-x11-server 1.1.1-48.76.el5_5.1, xorg-x11-server-Xdmx 1.1.1-48.76.el5_5.1, xorg-x11-server-Xorg 1.1.1-48.76.el5_5.1, xorg-x11-server-Xvfb 1.1.1-48.76.el5_5.1, xorg-x11-server-Xnest 1.1.1-48.76.el5_5.1, xorg-x11-server-Xephyr 1.1.1-48.76.el5_5.1, +1 more Red Hat Enterprise Linux Desktop Workstation (v. 5 client) xorg-x11-server 1.1.1-48.76.el5_5.1, xorg-x11-server-sdk 1.1.1-48.76.el5_5.1
    fixed: vendor fix RHSA-2010:0382

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

5.35% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • cgit.freedesktop.org http://cgit.freedesktop.org/xorg/xserver/commit/?id=d2f813f7db referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.1 AV:N/AC:H/Au:S/C:C/I:C/A:C

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.