The Gzip file parser in AVG Anti-Virus 10.0.0.1190, Bitdefender 7.2, Command Antivirus 5.2.11.5, Emsisoft Anti-Malware 5.1.0.1, F-Secure Anti-Virus 9.0.16160.0, Fortinet Antivirus 4.2.254.0, Ikarus Virus Utilities T3 Command Line Scanner 1.1.97.0, Jiangmin Antivirus 13.0.900, K7 AntiVirus 9.77.3565, Kaspersky Anti-Virus 7.0.0.125, McAfee Anti-Virus Scanning Engine 5.400.0.1158, McAfee Gateway (formerly Webwasher) 2010.1C, NOD32 Antivirus 5795, Norman Antivirus 6.06.12, Rising Antivirus 22.83.00.03, Sophos Anti-Virus 4.61.0, AVEngine 20101.3.0.103 in Symantec Endpoint Protection 11, Trend Micro AntiVirus 9.120.0.1004, Trend Micro HouseCall 9.120.0.1004, and VBA32 3.12.14.2 allows remote attackers to bypass malware detection via a .tar.gz file with multiple compressed streams. NOTE: this may later be SPLIT into multiple CVEs if additional information is published showing that the error occurred independently in different Gzip parser implementations.
Conclusion & alert: CVE-2012-1461 is rated Moderate Risk (55.8/100): CVSS Medium severity, with high exploitation likelihood (EPSS 83.89%, 99th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +3.84% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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 | 2025-12-27 | 80.05% | 83.89% | +3.84% |
| 2 | 2025-11-15 | 79.23% | 80.05% | +0.82% |
| 3 | 2025-09-05 | — | 79.23% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| anti-virus | vba32 | 3.12.14.2 | cpe:2.3:a:anti-virus:vba32:3.12.14.2:*:*:*:*:*:*:* |
| authentium | command_antivirus | 5.2.11.5 | cpe:2.3:a:authentium:command_antivirus:5.2.11.5:*:*:*:*:*:*:* |
| avg | avg_anti-virus | 10.0.0.1190 | cpe:2.3:a:avg:avg_anti-virus:10.0.0.1190:*:*:*:*:*:*:* |
| bitdefender | bitdefender | 7.2 | cpe:2.3:a:bitdefender:bitdefender:7.2:*:*:*:*:*:*:* |
| emsisoft | anti-malware | 5.1.0.1 | cpe:2.3:a:emsisoft:anti-malware:5.1.0.1:*:*:*:*:*:*:* |
| eset | nod32_antivirus | 5795 | cpe:2.3:a:eset:nod32_antivirus:5795:*:*:*:*:*:*:* |
| f-secure | f-secure_anti-virus | 9.0.16160.0 | cpe:2.3:a:f-secure:f-secure_anti-virus:9.0.16160.0:*:*:*:*:*:*:* |
| fortinet | fortinet_antivirus | 4.2.254.0 | cpe:2.3:a:fortinet:fortinet_antivirus:4.2.254.0:*:*:*:*:*:*:* |
| ikarus | ikarus_virus_utilities_t3_command_line_scanner | 1.1.97.0 | cpe:2.3:a:ikarus:ikarus_virus_utilities_t3_command_line_scanner:1.1.97.0:*:*:*:*:*:*:* |
| jiangmin | jiangmin_antivirus | 13.0.900 | cpe:2.3:a:jiangmin:jiangmin_antivirus:13.0.900:*:*:*:*:*:*:* |
| k7computing | antivirus | 9.77.3565 | cpe:2.3:a:k7computing:antivirus:9.77.3565:*:*:*:*:*:*:* |
| kaspersky | kaspersky_anti-virus | 7.0.0.125 | cpe:2.3:a:kaspersky:kaspersky_anti-virus:7.0.0.125:*:*:*:*:*:*:* |
| mcafee | gateway | 2010.1c | cpe:2.3:a:mcafee:gateway:2010.1c:*:*:*:*:*:*:* |
| mcafee | scan_engine | 5.400.0.1158 | cpe:2.3:a:mcafee:scan_engine:5.400.0.1158:*:*:*:*:*:*:* |
| norman | norman_antivirus_\&_antispyware | 6.06.12 | cpe:2.3:a:norman:norman_antivirus_\&_antispyware:6.06.12:*:*:*:*:*:*:* |
| rising-global | rising_antivirus | 22.83.00.03 | cpe:2.3:a:rising-global:rising_antivirus:22.83.00.03:*:*:*:*:*:*:* |
| sophos | sophos_anti-virus | 4.61.0 | cpe:2.3:a:sophos:sophos_anti-virus:4.61.0:*:*:*:*:*:*:* |
| symantec | endpoint_protection | 11.0 | cpe:2.3:a:symantec:endpoint_protection:11.0:*:*:*:*:*:*:* |
| trendmicro | housecall | 9.120.0.1004 | cpe:2.3:a:trendmicro:housecall:9.120.0.1004:*:*:*:*:*:*:* |
| trendmicro | trend_micro_antivirus | 9.120.0.1004 | cpe:2.3:a:trendmicro:trend_micro_antivirus:9.120.0.1004:*:*:*:*:*:*:* |