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7.5
CVE-2009-3886: Sun Java SE 6 Web Start could run untrusted code
CVE-2009-3886 · published 16 years ago
Summary
Java on computers using Sun Java SE 6 before Update 17 may not correctly check the relationship between signed program files and the web launch descriptor. This can allow an attacker to make the system run code that was not properly approved. Update Java to the latest version or apply the supplied security patch to fix the issue.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| sun | jre |
<= 1.6.0 1.6.0 cpe:2.3:a:sun:jre:*:update_16:*:*:*:*:*:* |
Original advisory text
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 unspecifie...
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.
Internet-facing
14 days
Internal
60 days
- Not known to be exploited
- Can be exploited automatically (estimated)
- Gives an attacker partial control (estimated)
Severity
7.5
High
Timeline
Published9 Nov 2009
Updated3 Nov 2026
First seen29 Sep 2026
Sources
CVE-2009-3886 · NVD
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