CVE-2009-2210

CVE-2009-2210 is a critical-severity vulnerability in Mozilla Seamonkey 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.

Key facts

Description

Mozilla Thunderbird before 2.0.0.22 and SeaMonkey before 1.1.17 allow remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a multipart/alternative e-mail message containing a text/enhanced part that triggers access to an incorrect object type.

Frequently asked questions

What is CVE-2009-2210?
Mozilla Thunderbird before 2.0.0.22 and SeaMonkey before 1.1.17 allow remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a multipart/alternative e-mail message containing a text/enhanced part that triggers access to an incorrect object type.
How severe is CVE-2009-2210?
CVE-2009-2210 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2009-2210 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-2210?
CVE-2009-2210 primarily affects Mozilla Seamonkey. In total, 108 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-2210?
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-2009-2210 published?
CVE-2009-2210 was published on 2009-06-25 and last updated on 2026-06-16.

References

Affected products (108)

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