CVE-2010-2420: Fenrir-Inc Activegeckobrowser

Medium severity, CVSS 6.8. EPSS: 2.1% chance of exploitation in the next 30 days.

Multiple unspecified vulnerabilities in Fenrir Inc. ActiveGeckoBrowser 1.0.0 and 1.0.5 alpha, a module for the Sleipnir web browser, allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unknown vectors related to the Gecko engine.

Affected products

• Fenrir-Inc Activegeckobrowser: version 1.0.0 only; version 1.0.5 only

Published 2010-06-22. Last modified 2026-06-16.