Integer signedness error in the administrative interface for Symantec AntiVirus Scan Engine 4.0 and 4.3 allows remote attackers to execute arbitrary code via crafted HTTP headers with negative values, which lead to a heap-based buffer overflow.
The Decomposer component in multiple Symantec products allows remote attackers to cause a denial of service (infinite loop) via a certain value in the PACKSIZE field of a RAR archive file header.
Heap-based buffer overflow in the Decomposer component in multiple Symantec products allows remote attackers to execute arbitrary code via multiple crafted CAB archives.
The LiveUpdate capability (liveupdate.sh) in Symantec AntiVirus Scan Engine 4.0 and 4.3 for Red Hat Linux allows local users to create or append to arbitrary files via a symlink attack on /tmp/LiveUpdate.log.