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Fencer Vulns
high 7.5

CVE-2009-3886 json

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…

published 2009-11-09 16 y ago modified 2026-06-16 4 mo ago also EUVD-2009-3857

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits
0
none known

Summary

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.

Patch / fix

  • java-1.6.0-sun RHEL 4 EXTRAS 1:1.6.0.17-1jpp.1.el4
  • java-1.6.0-sun RHEL 5 EXTRAS 1:1.6.0.17-1jpp.2.el5
  • java-1.6.0-sun-src RHEL 4 EXTRAS 1:1.6.0.17-1jpp.1.el4
  • java-1.6.0-sun-src RHEL 5 EXTRAS 1:1.6.0.17-1jpp.2.el5
  • java-1.6.0-sun-demo RHEL 4 EXTRAS 1:1.6.0.17-1jpp.1.el4
  • java-1.6.0-sun-demo RHEL 5 EXTRAS 1:1.6.0.17-1jpp.2.el5
  • java-1.6.0-sun-jdbc RHEL 4 EXTRAS 1:1.6.0.17-1jpp.1.el4
  • java-1.6.0-sun-jdbc RHEL 5 EXTRAS 1:1.6.0.17-1jpp.2.el5

red hat advisories RHSA-2009:1560

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2009-3886 updated cvss 6.8

REGRESSION: have problem to run JNLP app and applets with signed Jar files (6870531)

  • Red Hat Desktop version 4 Extras java-1.6.0-sun 1.6.0.17-1jpp.1.el4, java-1.6.0-sun-src 1.6.0.17-1jpp.1.el4, java-1.6.0-sun-demo 1.6.0.17-1jpp.1.el4, java-1.6.0-sun-jdbc 1.6.0.17-1jpp.1.el4, java-1.6.0-sun-plugin 1.6.0.17-1jpp.1.el4 Red Hat Enterprise Linux AS version 4 Extras java-1.6.0-sun 1.6.0.17-1jpp.1.el4, java-1.6.0-sun-src 1.6.0.17-1jpp.1.el4, java-1.6.0-sun-demo 1.6.0.17-1jpp.1.el4, java-1.6.0-sun-jdbc 1.6.0.17-1jpp.1.el4, java-1.6.0-sun-plugin 1.6.0.17-1jpp.1.el4 Red Hat Enterprise Linux Desktop Supplementary (v. 5) java-1.6.0-sun 1.6.0.17-1jpp.2.el5, java-1.6.0-sun-src 1.6.0.17-1jpp.2.el5, java-1.6.0-sun-demo 1.6.0.17-1jpp.2.el5, java-1.6.0-sun-jdbc 1.6.0.17-1jpp.2.el5, java-1.6.0-sun-plugin 1.6.0.17-1jpp.2.el5 Red Hat Enterprise Linux ES version 4 Extras java-1.6.0-sun 1.6.0.17-1jpp.1.el4, java-1.6.0-sun-src 1.6.0.17-1jpp.1.el4, java-1.6.0-sun-demo 1.6.0.17-1jpp.1.el4, java-1.6.0-sun-jdbc 1.6.0.17-1jpp.1.el4, java-1.6.0-sun-plugin 1.6.0.17-1jpp.1.el4 Red Hat Enterprise Linux Server Supplementary (v. 5) java-1.6.0-sun 1.6.0.17-1jpp.2.el5, java-1.6.0-sun-src 1.6.0.17-1jpp.2.el5, java-1.6.0-sun-demo 1.6.0.17-1jpp.2.el5, java-1.6.0-sun-jdbc 1.6.0.17-1jpp.2.el5, java-1.6.0-sun-plugin 1.6.0.17-1jpp.2.el5 Red Hat Enterprise Linux WS version 4 Extras java-1.6.0-sun 1.6.0.17-1jpp.1.el4, java-1.6.0-sun-src 1.6.0.17-1jpp.1.el4, java-1.6.0-sun-demo 1.6.0.17-1jpp.1.el4, java-1.6.0-sun-jdbc 1.6.0.17-1jpp.1.el4, java-1.6.0-sun-plugin 1.6.0.17-1jpp.1.el4
    fixed: vendor fix RHSA-2009:1560

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.70% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.