Security firm eEye Digital Security has found bugs in Norton Personal Firewall 2004, Norton Internet Security 2004 and Norton Internet Security 2004 Professional. The firm is waiting to release further details until Symantec issues patches.
Three of the vulnerabilities allow hackers to exploit the affected software with remote attacks. The fourth flaw allows anonymous denial-of-service attacks to take place.
eEye spotted another Symantec vulnerability 44 days ago.