CVE-2005-0142: Mozilla Firefox

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

Firefox 0.9, Thunderbird 0.6 and other versions before 0.9, and Mozilla 1.7 before 1.7.5 save temporary files with world-readable permissions, which allows local users to read certain web content or attachments that belong to other users, e.g. content that is managed by helper applications such as PDF.

Affected products

  • Mozilla Firefox: version 0.9 only
  • Mozilla Mozilla: version 1.7 only; version 1.7.1 only; version 1.7.2 only; version 1.7.3 only
  • Mozilla Thunderbird: version 0.6 only; version 0.7 only; version 0.8 only

Published 2005-05-02. Last modified 2026-06-16.