CVE-2012-0450: Mozilla Firefox

Low severity, CVSS 2.1. EPSS: 0.3% chance of exploitation in the next 30 days.

Mozilla Firefox 4.x through 9.0 and SeaMonkey before 2.7 on Linux and Mac OS X set weak permissions for Firefox Recovery Key.html, which might allow local users to read a Firefox Sync key via standard filesystem operations.

Affected products

  • Mozilla Firefox: version 4.0 only; version 4.0.1 only; version 5.0 only; version 5.0.1 only; version 6.0 only; version 6.0.1 only; …
  • Mozilla Seamonkey: up to and including 2.7; version 1.0 only; version 1.0.1 only; version 1.0.2 only; version 1.0.3 only; version 1.0.4 only; …

Published 2012-02-01. Last modified 2026-06-16.