CVE-2006-1734: Mozilla Firefox

Medium severity, CVSS 6.8. EPSS: 7% chance of exploitation in the next 30 days.

Mozilla Firefox and Thunderbird 1.x before 1.5 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0 allows remote attackers to execute arbitrary code by using the Object.watch method to access the "clone parent" internal function.

Affected products

• Mozilla Firefox: up to and including 1.0.7; version 1.0 only; version 1.0.1 only; version 1.0.2 only; version 1.0.3 only; version 1.0.4 only; …
• Mozilla Mozilla Suite: up to and including 1.7.12; version 1.7.6 only; version 1.7.7 only; version 1.7.8 only; version 1.7.10 only; version 1.7.11 only
• Mozilla Seamonkey: up to and including 1.0; version 1.0 only
• Mozilla Thunderbird: up to and including 1.0.7; 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 2006-04-14. Last modified 2026-06-16.