CVE-2012-1462: Ahnlab v3 Internet Security

Medium severity, CVSS 4.3. EPSS: 97.8% chance of exploitation in the next 30 days.

The ZIP file parser in AhnLab V3 Internet Security 2011.01.18.00, AVG Anti-Virus 10.0.0.1190, Quick Heal (aka Cat QuickHeal) 11.00, Emsisoft Anti-Malware 5.1.0.1, eSafe 7.0.17.0, Fortinet Antivirus 4.2.254.0, Ikarus Virus Utilities T3 Command Line Scanner 1.1.97.0, Jiangmin Antivirus 13.0.900, Kaspersky Anti-Virus 7.0.0.125, Norman Antivirus 6.06.12, Sophos Anti-Virus 4.61.0, and AVEngine 20101.3.0.103 in Symantec Endpoint Protection 11 allows remote attackers to bypass malware detection via a ZIP file containing an invalid block of data at the beginning. NOTE: this may later be SPLIT into multiple CVEs if additional information is published showing that the error occurred independently in different ZIP parser implementations.

Affected products

• Ahnlab v3 Internet Security: version 2011.01.18.00 only
• Aladdin Esafe: version 7.0.17.0 only
• Avg Avg Anti-Virus: version 10.0.0.1190 only
• Cat Quick Heal: version 11.00 only
• Emsisoft Anti-Malware: version 5.1.0.1 only
• Fortinet Fortinet Antivirus: version 4.2.254.0 only
• Ikarus Ikarus Virus Utilities t3 Command Line Scanner: version 1.1.97.0 only
• Jiangmin Jiangmin Antivirus: version 13.0.900 only
• Kaspersky Kaspersky Anti-Virus: version 7.0.0.125 only
• Symantec Endpoint Protection: version 11.0 only

Published 2012-03-21. Last modified 2026-06-16.