CVE-2008-4068: Canonical Ubuntu Linux

High severity, CVSS 7.8. EPSS: 4.2% chance of exploitation in the next 30 days.

Directory traversal vulnerability in Mozilla Firefox before 2.0.0.17 and 3.x before 3.0.2, Thunderbird before 2.0.0.17, and SeaMonkey before 1.1.12 allows remote attackers to bypass "restrictions imposed on local HTML files," and obtain sensitive information and prompt users to write this information into a file, via directory traversal sequences in a resource: URI.

Affected products

• Canonical Ubuntu Linux: version 6.06 only; version 7.04 only; version 7.10 only; version 8.04 only
• Debian Debian Linux: version 4.0 only
• Mozilla Firefox: before 2.0.0.17 (fixed in 2.0.0.17); from 3.0, before 3.0.2 (fixed in 3.0.2)
• Mozilla Seamonkey: before 1.1.12 (fixed in 1.1.12)
• Mozilla Thunderbird: before 2.0.0.17 (fixed in 2.0.0.17)

Published 2008-09-24. Last modified 2026-06-16.