CVE-2006-1737: Mozilla Firefox

High severity, CVSS 9.3. EPSS: 4.9% chance of exploitation in the next 30 days.

Integer overflow in 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 cause a denial of service (crash) and possibly execute arbitrary bytecode via JavaScript with a large regular expression.

Affected products

• Mozilla Firefox: version 1.0 only; version 1.0.1 only; version 1.0.2 only; version 1.0.3 only; version 1.0.4 only; version 1.0.5 only; …
• Mozilla Mozilla Suite: 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; version 1.7.12 only
• Mozilla Seamonkey: version 1.0 only
• Mozilla Thunderbird: version 1.0 only; version 1.0.1 only; version 1.0.2 only; version 1.0.3 only; version 1.0.4 only; version 1.0.5 only; …

Published 2006-04-14. Last modified 2026-06-16.