CVE-2005-2920

CVE-2005-2920 is a high-severity vulnerability in Clam Anti-virus Clamav with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Buffer overflow in libclamav/upx.c in Clam AntiVirus (ClamAV) before 0.87 allows remote attackers to execute arbitrary code via a crafted UPX packed executable.

Frequently asked questions

What is CVE-2005-2920?
Buffer overflow in libclamav/upx.c in Clam AntiVirus (ClamAV) before 0.87 allows remote attackers to execute arbitrary code via a crafted UPX packed executable.
How severe is CVE-2005-2920?
CVE-2005-2920 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2005-2920 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-2920?
CVE-2005-2920 primarily affects Clam Anti-virus Clamav. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-2920?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2005-2920 published?
CVE-2005-2920 was published on 2005-09-20 and last updated on 2026-06-16.

References

Affected products (17)

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