| Package | Affected versions | Patched versions |
|---|---|---|
| client firewall | = 5.01= 5.1.1 | |
| client security | = 1.0= 1.1= 1.2= 1.3= 1.4= 1.5= 1.6= 1.7= 1.8= 1.9= 2.0 | |
| norton antispam | = 2004 | |
| norton internet security | = 2002= 2003= 2004 | |
| norton personal firewall | = 2002= 2003= 2004 |
The SYMDNS.SYS driver in Symantec Norton Internet Security and Professional 2002 through 2004, Norton Personal Firewall 2002 through 2004, Norton AntiSpam 2004, Client Firewall 5.01 and 5.1.1, and Client Security 1.0 through 2.0 allows remote attackers to cause a denial of service (CPU consumption from infinite loop) via a DNS response with a compressed name pointer that points to itself.
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