CVE-2010-2117: Mozilla Firefox

Medium severity, CVSS 4.3. EPSS: 1.8% chance of exploitation in the next 30 days.

Mozilla Firefox 3.0.19, 3.5.x, and 3.6.x allows remote attackers to cause a denial of service (resource consumption) via JavaScript code containing an infinite loop that creates IFRAME elements for invalid (1) news:// or (2) nntp:// URIs.

Affected products

• Mozilla Firefox: version 3.0.19 only; version 3.5 only; version 3.5.1 only; version 3.5.2 only; version 3.5.3 only; version 3.5.4 only; …

Published 2010-06-01. Last modified 2026-06-16.