Format string vulnerability in the Real Time Virus Scan service in Symantec AntiVirus Corporate Edition 8.1 up to 10.0, and Client Security 1.x up to 3.0, allows local users to execute arbitrary code via an unspecified vector related to alert notification messages, a different vector than CVE-2006-3454, a "second format string vulnerability" as found by the vendor.

Multiple format string vulnerabilities in Symantec AntiVirus Corporate Edition 8.1 up to 10.0, and Client Security 1.x up to 3.0, allow local users to execute arbitrary code via format strings in (1) Tamper Protection and (2) Virus Alert Notification messages.

Heap-based buffer overflow in the DEC2EXE module for Symantec AntiVirus Library allows remote attackers to execute arbitrary code via a UPX compressed file containing a negative virtual offset to a crafted PE header.

Buffer overflow in Norton Antivirus for Exchange (NavExchange) allows remote attackers to cause a denial of service via a .zip file that contains long file names.

In some cases, Norton Antivirus for Exchange (NavExchange) enters a "fail-open" state which allows viruses to pass through the server.