CVE-2010-2420

CVE-2010-2420 is a medium-severity vulnerability in Fenrir-inc Activegeckobrowser with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

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.

Frequently asked questions

What is CVE-2010-2420?
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.
How severe is CVE-2010-2420?
CVE-2010-2420 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2010-2420 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-2420?
CVE-2010-2420 primarily affects Fenrir-inc Activegeckobrowser. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-2420?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-2420 published?
CVE-2010-2420 was published on 2010-06-22 and last updated on 2026-06-16.

References

Affected products (2)