CVE-2009-3886: Sun JRE

High severity, CVSS 7.5. EPSS: 1.7% chance of exploitation in the next 30 days.

The Java Web Start implementation in Sun Java SE 6 before Update 17 does not properly handle the interaction between a signed JAR file and a JNLP (1) application or (2) applet, which has unspecified impact and attack vectors, related to a "regression," aka Bug Id 6870531.

Affected products

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

Published 2009-11-09. Last modified 2026-06-16.