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Fencer Vulns
critical 10.0

CVE-2009-2476 json

The Java Management Extensions (JMX) implementation in Sun Java SE 6 before Update 15, and OpenJDK, does not properly enforce OpenType chec…

published 2009-08-10 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-2471

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.9%
EPSS 2.9% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

The Java Management Extensions (JMX) implementation in Sun Java SE 6 before Update 15, and OpenJDK, does not properly enforce OpenType checks, which allows context-dependent attackers to bypass intended access restrictions by leveraging finalizer resurrection to obtain a reference to a privileged object.

Patch / fix

  • oracle java_se 1.6.0_15, 6.0.15
  • oracle jdk 1.6.0_15, 6.0.15
  • oracle jre 1.6.0_15, 6.0.15
  • sun java 1.6.0_15, 6.0.15
  • sun java_se 1.6.0_15, 6.0.15
  • sun jdk 1.6.0_15, 6.0.15
  • sun jre 1.6.0_15, 6.0.15
  • oracle openjdk 1.6.0_15, 6.0.15
  • sun openjdk 1.6.0_15, 6.0.15
  • java-1.6.0-openjdk RHEL 5 1:1.6.0.0-1.2.b09.el5
  • java-1.6.0-openjdk-src RHEL 5 1:1.6.0.0-1.2.b09.el5
  • java-1.6.0-openjdk-demo RHEL 5 1:1.6.0.0-1.2.b09.el5
  • java-1.6.0-openjdk-javadoc RHEL 5 1:1.6.0.0-1.2.b09.el5
  • java-1.6.0-sun RHEL 4 EXTRAS 1:1.6.0.15-1jpp.1.el4
  • java-1.6.0-sun RHEL 5 EXTRAS 1:1.6.0.15-1jpp.1.el5
  • java-1.6.0-sun-src RHEL 4 EXTRAS 1:1.6.0.15-1jpp.1.el4
  • java-1.6.0-sun-src RHEL 5 EXTRAS 1:1.6.0.15-1jpp.1.el5

red hat advisories RHSA-2009:1201RHSA-2009:1200

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-2009-2476 updated cvss 4.3

OpenJDK OpenType checks can be bypassed (6736293)

  • Red Hat Desktop version 4 Extras java-1.6.0-sun 1.6.0.15-1jpp.1.el4, java-1.6.0-sun-src 1.6.0.15-1jpp.1.el4, java-1.6.0-sun-demo 1.6.0.15-1jpp.1.el4, java-1.6.0-sun-jdbc 1.6.0.15-1jpp.1.el4, java-1.6.0-sun-plugin 1.6.0.15-1jpp.1.el4
    fixed: vendor fix RHSA-2009:1200
  • Red Hat Enterprise Linux (v. 5 server) java-1.6.0-openjdk 1.6.0.0-1.2.b09.el5, java-1.6.0-openjdk-src 1.6.0.0-1.2.b09.el5, java-1.6.0-openjdk-demo 1.6.0.0-1.2.b09.el5, java-1.6.0-openjdk-javadoc 1.6.0.0-1.2.b09.el5
    fixed: vendor fix RHSA-2009:1201
  • Red Hat Enterprise Linux AS version 4 Extras java-1.6.0-sun 1.6.0.15-1jpp.1.el4, java-1.6.0-sun-src 1.6.0.15-1jpp.1.el4, java-1.6.0-sun-demo 1.6.0.15-1jpp.1.el4, java-1.6.0-sun-jdbc 1.6.0.15-1jpp.1.el4, java-1.6.0-sun-plugin 1.6.0.15-1jpp.1.el4
    fixed: vendor fix RHSA-2009:1200
  • Red Hat Enterprise Linux Desktop (v. 5 client) java-1.6.0-openjdk 1.6.0.0-1.2.b09.el5, java-1.6.0-openjdk-src 1.6.0.0-1.2.b09.el5, java-1.6.0-openjdk-demo 1.6.0.0-1.2.b09.el5, java-1.6.0-openjdk-javadoc 1.6.0.0-1.2.b09.el5
    fixed: vendor fix RHSA-2009:1201
  • Red Hat Enterprise Linux Desktop Supplementary (v. 5) java-1.6.0-sun 1.6.0.15-1jpp.1.el5, java-1.6.0-sun-src 1.6.0.15-1jpp.1.el5, java-1.6.0-sun-demo 1.6.0.15-1jpp.1.el5, java-1.6.0-sun-jdbc 1.6.0.15-1jpp.1.el5, java-1.6.0-sun-plugin 1.6.0.15-1jpp.1.el5 Red Hat Enterprise Linux ES version 4 Extras java-1.6.0-sun 1.6.0.15-1jpp.1.el4, java-1.6.0-sun-src 1.6.0.15-1jpp.1.el4, java-1.6.0-sun-demo 1.6.0.15-1jpp.1.el4, java-1.6.0-sun-jdbc 1.6.0.15-1jpp.1.el4, java-1.6.0-sun-plugin 1.6.0.15-1jpp.1.el4 Red Hat Enterprise Linux Server Supplementary (v. 5) java-1.6.0-sun 1.6.0.15-1jpp.1.el5, java-1.6.0-sun-src 1.6.0.15-1jpp.1.el5, java-1.6.0-sun-demo 1.6.0.15-1jpp.1.el5, java-1.6.0-sun-jdbc 1.6.0.15-1jpp.1.el5, java-1.6.0-sun-plugin 1.6.0.15-1jpp.1.el5 Red Hat Enterprise Linux WS version 4 Extras java-1.6.0-sun 1.6.0.15-1jpp.1.el4, java-1.6.0-sun-src 1.6.0.15-1jpp.1.el4, java-1.6.0-sun-demo 1.6.0.15-1jpp.1.el4, java-1.6.0-sun-jdbc 1.6.0.15-1jpp.1.el4, java-1.6.0-sun-plugin 1.6.0.15-1jpp.1.el4
    fixed: vendor fix RHSA-2009:1200

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

2.88% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls

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.

CPEs and fixed versions use Anchore's correction of NVD's data: Fix historical java records.