CVE-2006-6501: Canonical Ubuntu Linux

Medium severity, CVSS 6.8. EPSS: 3% chance of exploitation in the next 30 days.

Unspecified vulnerability in Mozilla Firefox 2.x before 2.0.0.1, 1.5.x before 1.5.0.9, Thunderbird before 1.5.0.9, and SeaMonkey before 1.0.7 allows remote attackers to gain privileges and install malicious code via the watch Javascript function.

Affected products

• Canonical Ubuntu Linux: version 5.10 only; version 6.06 only; version 6.10 only
• Debian Debian Linux: version 3.1 only; version 4.0 only
• Mozilla Firefox: from 1.5, before 1.5.0.9 (fixed in 1.5.0.9); from 2.0, before 2.0.0.1 (fixed in 2.0.0.1)
• Mozilla Seamonkey: before 1.0.7 (fixed in 1.0.7)
• Mozilla Thunderbird: before 1.5.0.9 (fixed in 1.5.0.9)

Published 2006-12-20. Last modified 2026-06-16.