CVE-2010-1198

CVE-2010-1198 is a critical-severity vulnerability in Mozilla Firefox with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-399.

Key facts

Description

Use-after-free vulnerability in Mozilla Firefox 3.5.x before 3.5.10 and 3.6.x before 3.6.4, and SeaMonkey before 2.0.5, allows remote attackers to execute arbitrary code via vectors involving multiple plugin instances.

Frequently asked questions

What is CVE-2010-1198?
Use-after-free vulnerability in Mozilla Firefox 3.5.x before 3.5.10 and 3.6.x before 3.6.4, and SeaMonkey before 2.0.5, allows remote attackers to execute arbitrary code via vectors involving multiple plugin instances.
How severe is CVE-2010-1198?
CVE-2010-1198 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2010-1198 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-1198?
CVE-2010-1198 primarily affects Mozilla Firefox. In total, 58 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-1198?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2010-1198 published?
CVE-2010-1198 was published on 2010-06-24 and last updated on 2026-06-16.

References

Affected products (58)

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