CVE-2009-3884

CVE-2009-3884 is a medium-severity vulnerability in Sun Jre with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

• Severity: Medium (CVSS 2.0 base score 5.0)
• EPSS exploit prediction: 3% (86th percentile)
• Actively exploited: Not listed in CISA KEV
• Affected product: Sun Jre
• Published: 2009-11-09
• Last modified: 2026-06-16

Description

The TimeZone.getTimeZone method in Sun Java SE 5.0 before Update 22 and 6 before Update 17, and OpenJDK, allows remote attackers to determine the existence of local files via vectors related to handling of zoneinfo (aka tz) files, aka Bug Id 6824265.

Frequently asked questions

What is CVE-2009-3884?

The TimeZone.getTimeZone method in Sun Java SE 5.0 before Update 22 and 6 before Update 17, and OpenJDK, allows remote attackers to determine the existence of local files via vectors related to handling of zoneinfo (aka tz) files, aka Bug Id 6824265.

How severe is CVE-2009-3884?

CVE-2009-3884 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2009-3884 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-3884?

CVE-2009-3884 primarily affects Sun Jre. In total, 38 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-3884?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-3884 published?

CVE-2009-3884 was published on 2009-11-09 and last updated on 2026-06-16.

References

• http://java.sun.com/j2se/1.5.0/ReleaseNotes.html
• http://java.sun.com/javase/6/webnotes/6u17.html
• http://lists.apple.com/archives/security-announce/2009/Dec/msg00000.html
• http://lists.apple.com/archives/security-announce/2009/Dec/msg00001.html
• http://secunia.com/advisories/37386
• http://secunia.com/advisories/37581
• http://security.gentoo.org/glsa/glsa-200911-02.xml
• http://support.apple.com/kb/HT3969
• http://support.apple.com/kb/HT3970
• http://www.mandriva.com/security/advisories?name=MDVSA-2010:084
• https://bugzilla.redhat.com/show_bug.cgi?id=530300
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11686
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6960

Affected products (38)

• cpe:2.3:a:sun:jre:*:update_21:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:*:update_16:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.5.0:update_1:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.5.0:update_11:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.5.0:update_12:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.5.0:update_13:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.5.0:update_14:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.5.0:update_15:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.5.0:update_16:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.5.0:update_17:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.5.0:update_18:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.5.0:update_19:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.5.0:update_2:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.5.0:update_20:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.5.0:update_3:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.5.0:update_4:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.5.0:update_5:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.5.0:update_6:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.5.0:update_7:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.5.0:update_8:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.5.0:update_9:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.5.0:update10:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.6.0:update_1:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.6.0:update_10:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.6.0:update_11:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.6.0:update_12:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.6.0:update_13:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.6.0:update_14:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.6.0:update_15:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.6.0:update_2:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.6.0:update_3:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.6.0:update_4:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.6.0:update_5:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.6.0:update_6:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.6.0:update_7:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.6.0:update_8:*:*:*:*:*:*
• cpe:2.3:a:sun:jre:1.6.0:update_9:*:*:*:*:*:*
• cpe:2.3:a:sun:openjdk:*:*:*:*:*:*:*:*

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