CVE-2008-1100

CVE-2008-1100 is a critical-severity vulnerability in Clam Anti-virus Clamav with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Description

Buffer overflow in the cli_scanpe function in libclamav (libclamav/pe.c) for ClamAV 0.92 and 0.92.1 allows remote attackers to execute arbitrary code via a crafted Upack PE file.

Frequently asked questions

What is CVE-2008-1100?
Buffer overflow in the cli_scanpe function in libclamav (libclamav/pe.c) for ClamAV 0.92 and 0.92.1 allows remote attackers to execute arbitrary code via a crafted Upack PE file.
How severe is CVE-2008-1100?
CVE-2008-1100 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2008-1100 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-1100?
CVE-2008-1100 primarily affects Clam Anti-virus Clamav. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-1100?
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-2008-1100 published?
CVE-2008-1100 was published on 2008-04-14 and last updated on 2026-06-16.

References

Affected products (2)

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