CVE-2012-1426: Authentium Command Antivirus

Medium severity, CVSS 4.3. EPSS: 90% chance of exploitation in the next 30 days.

The TAR file parser in Quick Heal (aka Cat QuickHeal) 11.00, Command Antivirus 5.2.11.5, F-Prot Antivirus 4.6.2.117, K7 AntiVirus 9.77.3565, Norman Antivirus 6.06.12, and Rising Antivirus 22.83.00.03 allows remote attackers to bypass malware detection via a POSIX TAR file with an initial \42\5A\68 character sequence. NOTE: this may later be SPLIT into multiple CVEs if additional information is published showing that the error occurred independently in different TAR parser implementations.

Affected products

• Authentium Command Antivirus: version 5.2.11.5 only
• Cat Quick Heal: version 11.00 only
• F-Prot F-Prot Antivirus: version 4.6.2.117 only
• k7computing Antivirus: version 9.77.3565 only
• Norman Norman Antivirus & Antispyware: version 6.06.12 only
• Rising-Global Rising Antivirus: version 22.83.00.03 only

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