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Fencer Vulns
high 7.5

CVE-2009-3864 in the critical feed json

The Java Update functionality in Java Runtime Environment (JRE) in Sun Java SE in JDK and JRE 5.0 before Update 22 and JDK and JRE 6 before…

published 2009-11-05 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-3835

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
22.5%
EPSS 22.5% chance of exploitation in 30 days, percentile 97%
public exploits
0
none known

Summary

The Java Update functionality in Java Runtime Environment (JRE) in Sun Java SE in JDK and JRE 5.0 before Update 22 and JDK and JRE 6 before Update 17, when a non-English version of Windows is used, does not retrieve available new JRE versions, which allows remote attackers to leverage vulnerabilities in older releases of this software, aka Bug Id 6869694.

Patch / fix

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-2009-3864 updated cvss 7.5

java-1.6.0-sun: Updates availability notification system failure (6869694)

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

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

22.48% chance of exploitation in the next 30 days, higher than 97% 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.