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.
Conclusion & alert: CVE-2005-2385 is rated Moderate Risk (60.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.99%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-03-30 | 4.47% | 3.99% | -0.47% |
| 2 | 2025-03-29 | 3.99% | 4.47% | +0.47% |
| 3 | 2025-03-19 | — | 3.99% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| alwil | avast_antivirus | 4.6.460 | cpe:2.3:a:alwil:avast_antivirus:4.6.460:*:server:*:*:*:*:* |
| alwil | avast_antivirus | 4.6.665 | cpe:2.3:a:alwil:avast_antivirus:4.6.665:*:home:*:*:*:*:* |
| alwil | avast_antivirus | 4.6.665 | cpe:2.3:a:alwil:avast_antivirus:4.6.665:*:pro:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://secunia.com/advisories/15776 | Patch Vendor Advisory |
| http://secunia.com/secunia_research/2005-20/advisory/ | Patch Vendor Advisory |
| http://securitytracker.com/id?1014544 | |
| http://www.avast.com/eng/av4_revision_history.html |