CVE-2005-2385

CVE-2005-2385 is a high-severity vulnerability in Alwil Avast Antivirus 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 a third-party compression library (UNACEV2.DLL), as used in avast! Antivirus Home/Professional Edition 4.6.665 and Server Edition 4.6.460, allows remote attackers to execute arbitrary code via an ACE archive containing a long filename.

Frequently asked questions

What is CVE-2005-2385?
Buffer overflow in a third-party compression library (UNACEV2.DLL), as used in avast! Antivirus Home/Professional Edition 4.6.665 and Server Edition 4.6.460, allows remote attackers to execute arbitrary code via an ACE archive containing a long filename.
How severe is CVE-2005-2385?
CVE-2005-2385 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2005-2385 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-2005-2385?
CVE-2005-2385 primarily affects Alwil Avast Antivirus. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-2385?
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-2005-2385 published?
CVE-2005-2385 was published on 2005-07-27 and last updated on 2026-06-16.

References

Affected products (3)

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