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Fencer Vulns
medium 6.4

CVE-2009-1106 json

The Java Plug-in in Java SE Development Kit (JDK) and Java Runtime Environment (JRE) 6 Update 12, 11, and 10 does not properly parse crossd…

published 2009-03-25 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-1107

cvss
6.4
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.6%
EPSS 3.6% chance of exploitation in 30 days, percentile 89%
public exploits
0
none known

Summary

The Java Plug-in in Java SE Development Kit (JDK) and Java Runtime Environment (JRE) 6 Update 12, 11, and 10 does not properly parse crossdomain.xml files, which allows remote attackers to bypass intended access restrictions and connect to arbitrary sites via unknown vectors, aka CR 6798948.

Patch / fix

  • java-1.6.0-ibm network satellite 5.3 1:1.6.0.7-1jpp.3.el4
  • java-1.6.0-ibm network satellite 5.3 1:1.6.0.7-1jpp.2.el5
  • java-1.5.0-ibm RHEL 4 EXTRAS 1:1.5.0.9-1jpp.5.el4
  • java-1.5.0-ibm RHEL 5 EXTRAS 1:1.5.0.9-1jpp.3.el5
  • java-1.5.0-ibm-src RHEL 4 EXTRAS 1:1.5.0.9-1jpp.5.el4
  • java-1.5.0-ibm-src RHEL 5 EXTRAS 1:1.5.0.9-1jpp.3.el5
  • java-1.5.0-ibm-demo RHEL 4 EXTRAS 1:1.5.0.9-1jpp.5.el4
  • java-1.5.0-ibm-demo RHEL 5 EXTRAS 1:1.5.0.9-1jpp.3.el5

red hat advisories RHSA-2010:0043RHSA-2009:1038RHSA-2009:1198RHSA-2009:0392

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-2009-1106 updated cvss 4.3

OpenJDK: Improper parsing of crossdomain.xml files (intended access restriction bypass) (6798948)

  • Red Hat Desktop version 4 Extras java-1.5.0-ibm 1.5.0.9-1jpp.5.el4, java-1.6.0-ibm 1.6.0.5-1jpp.1.el4, java-1.6.0-sun 1.6.0.13-1jpp.1.el4, java-1.5.0-ibm-src 1.5.0.9-1jpp.5.el4, java-1.6.0-ibm-src 1.6.0.5-1jpp.1.el4, java-1.5.0-ibm-demo 1.5.0.9-1jpp.5.el4, +11 more Red Hat Enterprise Linux AS version 4 Extras java-1.5.0-ibm 1.5.0.9-1jpp.5.el4, java-1.6.0-ibm 1.6.0.5-1jpp.1.el4, java-1.6.0-sun 1.6.0.13-1jpp.1.el4, java-1.5.0-ibm-src 1.5.0.9-1jpp.5.el4, java-1.6.0-ibm-src 1.6.0.5-1jpp.1.el4, java-1.5.0-ibm-demo 1.5.0.9-1jpp.5.el4, +11 more Red Hat Enterprise Linux Desktop Supplementary (v. 5) java-1.5.0-ibm 1.5.0.9-1jpp.3.el5, java-1.6.0-ibm 1.6.0.5-1jpp.1.el5, java-1.6.0-sun 1.6.0.13-1jpp.1.el5, java-1.5.0-ibm-src 1.5.0.9-1jpp.3.el5, java-1.6.0-ibm-src 1.6.0.5-1jpp.1.el5, java-1.5.0-ibm-demo 1.5.0.9-1jpp.3.el5, +13 more Red Hat Enterprise Linux ES version 4 Extras java-1.5.0-ibm 1.5.0.9-1jpp.5.el4, java-1.6.0-ibm 1.6.0.5-1jpp.1.el4, java-1.6.0-sun 1.6.0.13-1jpp.1.el4, java-1.5.0-ibm-src 1.5.0.9-1jpp.5.el4, java-1.6.0-ibm-src 1.6.0.5-1jpp.1.el4, java-1.5.0-ibm-demo 1.5.0.9-1jpp.5.el4, +11 more Red Hat Enterprise Linux Server Supplementary (v. 5) java-1.5.0-ibm 1.5.0.9-1jpp.3.el5, java-1.6.0-ibm 1.6.0.5-1jpp.1.el5, java-1.6.0-sun 1.6.0.13-1jpp.1.el5, java-1.5.0-ibm-src 1.5.0.9-1jpp.3.el5, java-1.6.0-ibm-src 1.6.0.5-1jpp.1.el5, java-1.5.0-ibm-demo 1.5.0.9-1jpp.3.el5, +13 more Red Hat Enterprise Linux WS version 4 Extras java-1.5.0-ibm 1.5.0.9-1jpp.5.el4, java-1.6.0-ibm 1.6.0.5-1jpp.1.el4, java-1.6.0-sun 1.6.0.13-1jpp.1.el4, java-1.5.0-ibm-src 1.5.0.9-1jpp.5.el4, java-1.6.0-ibm-src 1.6.0.5-1jpp.1.el4, java-1.5.0-ibm-demo 1.5.0.9-1jpp.5.el4, +11 more
    fixed: vendor fix RHSA-2009:1038
  • Red Hat Satellite 5.3 (RHEL v.4) java-1.6.0-ibm 1.6.0.7-1jpp.3.el4 Red Hat Satellite 5.3 (RHEL v.5) java-1.6.0-ibm 1.6.0.7-1jpp.2.el5
    fixed: vendor fix RHSA-2010:0043

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

3.56% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:N/I:P/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation

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.