CVE-2006-0293: Mozilla Firefox

High severity, CVSS 7.5. EPSS: 3.7% chance of exploitation in the next 30 days.

The function allocation code (js_NewFunction in jsfun.c) in Firefox 1.5 allows attackers to cause a denial of service (memory corruption) and possibly execute arbitrary code via user-defined methods that trigger garbage collection in a way that operates on freed objects.

Affected products

• Mozilla Firefox: version 1.5 only

Published 2006-02-02. Last modified 2026-06-16.