The SAVRT.SYS device driver, as used in Symantec AntiVirus Corporate Edition 8.1 and 9.0.x up to 9.0.3, and Symantec Client Security 1.1 and 2.0.x up to 2.0.3, allows local users to execute arbitrary code via a modified address for the output buffer argument to the DeviceIOControl function.

The \Device\SymEvent driver in Symantec Norton Personal Firewall 2006 9.1.0.33, and other versions of Norton Personal Firewall, Internet Security, AntiVirus, SystemWorks, Symantec Client Security SCS 1.x, 2.x, 3.0, and 3.1, Symantec AntiVirus Corporate Edition SAVCE 8.x, 9.x, 10.0, and 10.1, Symantec pcAnywhere 11.5 only, and Symantec Host, allows local users to cause a denial of service (system crash) via invalid data, as demonstrated by calling DeviceIoControl to send the data.

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.

Untrusted search path vulnerability in unspecified components in Symantec LiveUpdate for Macintosh 3.0.0 through 3.5.0 do not set the execution path, which allows local users to gain privileges via a Trojan horse program.

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.

Unknown versions of Symantec Norton AntiVirus and Microsoft Outlook allow attackers to cause a denial of service (crash) via malformed e-mail messages (1) without a body or (2) without a carriage return ("\n") separating the headers from the body.