CVE-2009-4663

CVE-2009-4663 is a critical-severity vulnerability in Quiksoft Easymail Objects with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 10% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Description

Heap-based buffer overflow in the Quiksoft EasyMail Objects 6 ActiveX control allows remote attackers to execute arbitrary code via a long argument to the AddAttachment method.

Frequently asked questions

What is CVE-2009-4663?
Heap-based buffer overflow in the Quiksoft EasyMail Objects 6 ActiveX control allows remote attackers to execute arbitrary code via a long argument to the AddAttachment method.
How severe is CVE-2009-4663?
CVE-2009-4663 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2009-4663 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4663?
CVE-2009-4663 affects Quiksoft Easymail Objects. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-4663?
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-2009-4663 published?
CVE-2009-4663 was published on 2010-03-03 and last updated on 2026-06-16.

References

Affected products (1)

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