CVE-2008-3440: Sun Java

High severity, CVSS 7.5. EPSS: 2.4% chance of exploitation in the next 30 days.

Sun Java 1.6.0_03 and earlier versions, and possibly later versions, does not properly verify the authenticity of updates, which allows man-in-the-middle attackers to execute arbitrary code via a Trojan horse update, as demonstrated by evilgrade and DNS cache poisoning.

Affected products

• Sun Java: up to and including 1.6.0; version 1.6.0 only

Published 2008-08-01. Last modified 2026-06-16.