CVE-2001-1126: Symantec Liveupdate

Medium severity, CVSS 5.0. EPSS: 2.6% chance of exploitation in the next 30 days.

Symantec LiveUpdate 1.4 through 1.6, and possibly later versions, allows remote attackers to cause a denial of service (flood) via DNS spoofing of the update.symantec.com site.

Affected products

• Symantec Liveupdate: version 1.4 only; version 1.5 only; version 1.6 only

Published 2001-10-05. Last modified 2026-06-16.