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Fencer Intel
high 8.5

CVE-2010-4818 json

The GLX extension in X.Org xserver 1.7.7 allows remote authenticated users to cause a denial of service (server crash) and possibly execute…

published 14y ago modified 4mo ago also EUVD-2010-4783

cvss
8.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.3%
EPSS 5.3% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

The GLX extension in X.Org xserver 1.7.7 allows remote authenticated users to cause a denial of service (server crash) and possibly execute arbitrary code via (1) a crafted request that triggers a client swap in glx/glxcmdsswap.c; or (2) a crafted length or (3) a negative value in the screen field in a request to glx/glxcmds.c.

Patch / fix

  • xorg-server Debian 14, Debian 13, Debian 12 2:1.9.99.902-1

debian advisories DEBIAN-CVE-2010-4818

  • xorg-x11 RHEL 4 6.8.2-1.EL.70
  • xorg-x11-sdk RHEL 4 6.8.2-1.EL.70
  • xorg-x11-twm RHEL 4 6.8.2-1.EL.70
  • xorg-x11-xdm RHEL 4 6.8.2-1.EL.70
  • xorg-x11-xfs RHEL 4 6.8.2-1.EL.70
  • xorg-x11-libs RHEL 4 6.8.2-1.EL.70
  • xorg-x11-Xdmx RHEL 4 6.8.2-1.EL.70
  • xorg-x11-Xvfb RHEL 4 6.8.2-1.EL.70

red hat advisories RHSA-2011:1360RHSA-2011:1359

Is CVE-2010-4818 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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-2010-4818 updated cvss 3.7

X.org: multiple GLX input sanitization flaws

  • Red Hat Enterprise Linux (v. 5 server) xorg-x11-server 1.1.1-48.76.el5_7.5, xorg-x11-server-sdk 1.1.1-48.76.el5_7.5, xorg-x11-server-Xdmx 1.1.1-48.76.el5_7.5, xorg-x11-server-Xorg 1.1.1-48.76.el5_7.5, xorg-x11-server-Xvfb 1.1.1-48.76.el5_7.5, xorg-x11-server-Xnest 1.1.1-48.76.el5_7.5, +2 more
    fixed: vendor fix RHSA-2011:1359
  • Red Hat Enterprise Linux AS version 4 xorg-x11 6.8.2-1.EL.70, xorg-x11-sdk 6.8.2-1.EL.70, xorg-x11-twm 6.8.2-1.EL.70, xorg-x11-xdm 6.8.2-1.EL.70, xorg-x11-xfs 6.8.2-1.EL.70, xorg-x11-libs 6.8.2-1.EL.70, +9 more
    fixed: vendor fix RHSA-2011:1360
  • Red Hat Enterprise Linux Desktop (v. 5 client) xorg-x11-server 1.1.1-48.76.el5_7.5, xorg-x11-server-sdk 1.1.1-48.76.el5_7.5, xorg-x11-server-Xdmx 1.1.1-48.76.el5_7.5, xorg-x11-server-Xorg 1.1.1-48.76.el5_7.5, xorg-x11-server-Xvfb 1.1.1-48.76.el5_7.5, xorg-x11-server-Xnest 1.1.1-48.76.el5_7.5, +2 more
    fixed: vendor fix RHSA-2011:1359
  • Red Hat Enterprise Linux Desktop version 4 xorg-x11 6.8.2-1.EL.70, xorg-x11-sdk 6.8.2-1.EL.70, xorg-x11-twm 6.8.2-1.EL.70, xorg-x11-xdm 6.8.2-1.EL.70, xorg-x11-xfs 6.8.2-1.EL.70, xorg-x11-libs 6.8.2-1.EL.70, +9 more Red Hat Enterprise Linux ES version 4 xorg-x11 6.8.2-1.EL.70, xorg-x11-sdk 6.8.2-1.EL.70, xorg-x11-twm 6.8.2-1.EL.70, xorg-x11-xdm 6.8.2-1.EL.70, xorg-x11-xfs 6.8.2-1.EL.70, xorg-x11-libs 6.8.2-1.EL.70, +9 more
    fixed: vendor fix RHSA-2011:1360
  • Red Hat Enterprise Linux Server (v. 6) xorg-x11-server 1.7.7-29.el6_1.2, xorg-x11-server-Xdmx 1.7.7-29.el6_1.2, xorg-x11-server-Xorg 1.7.7-29.el6_1.2, xorg-x11-server-Xvfb 1.7.7-29.el6_1.2, xorg-x11-server-Xnest 1.7.7-29.el6_1.2, xorg-x11-server-common 1.7.7-29.el6_1.2, +2 more Red Hat Enterprise Linux Server Optional (v. 6) xorg-x11-server 1.7.7-29.el6_1.2, xorg-x11-server-Xdmx 1.7.7-29.el6_1.2, xorg-x11-server-Xorg 1.7.7-29.el6_1.2, xorg-x11-server-Xvfb 1.7.7-29.el6_1.2, xorg-x11-server-Xnest 1.7.7-29.el6_1.2, xorg-x11-server-common 1.7.7-29.el6_1.2, +2 more
    fixed: vendor fix RHSA-2011:1359
  • Red Hat Enterprise Linux WS version 4 xorg-x11 6.8.2-1.EL.70, xorg-x11-sdk 6.8.2-1.EL.70, xorg-x11-twm 6.8.2-1.EL.70, xorg-x11-xdm 6.8.2-1.EL.70, xorg-x11-xfs 6.8.2-1.EL.70, xorg-x11-libs 6.8.2-1.EL.70, +9 more
    fixed: vendor fix RHSA-2011:1360
  • Red Hat RHEL Desktop Workstation (v. 5 client) xorg-x11-server 1.1.1-48.76.el5_7.5, xorg-x11-server-sdk 1.1.1-48.76.el5_7.5, xorg-x11-server-Xdmx 1.1.1-48.76.el5_7.5, xorg-x11-server-Xorg 1.1.1-48.76.el5_7.5, xorg-x11-server-Xvfb 1.1.1-48.76.el5_7.5, xorg-x11-server-Xnest 1.1.1-48.76.el5_7.5, +2 more
    fixed: vendor fix RHSA-2011:1359

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=ec9c97c6bf70b523bc500bd3adf62176f1bb33a4 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 8.5 AV:N/AC:M/Au:S/C:C/I:C/A:C

Classification

Weakness
  • CWE-20 Improper Input Validation

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.