CVE-2009-3881

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-11-09 · updated 2026-06-16
Weakness: CWE-200

Description

Sun Java SE 5.0 before Update 22 and 6 before Update 17, and OpenJDK, does not prevent the existence of children of a resurrected ClassLoader, which allows remote attackers to gain privileges via unspecified vectors, related to an "information leak vulnerability," aka Bug Id 6636650.

Affected products

Sun Jre: through 1.5.0; through 1.6.0; 1.5.0-update_1, 1.5.0-update_11, 1.5.0-update_12, 1.5.0-update_13, 1.5.0-update_14, 1.5.0-update_15 (+29)
Sun Openjdk: all versions

References

http://java.sun.com/j2se/1.5.0/ReleaseNotes.html
http://java.sun.com/javase/6/webnotes/6u17.html
http://secunia.com/advisories/37386
http://security.gentoo.org/glsa/glsa-200911-02.xml
http://www.mandriva.com/security/advisories?name=MDVSA-2010:084
https://bugzilla.redhat.com/show_bug.cgi?id=530173
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11484
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6906
http://java.sun.com/j2se/1.5.0/ReleaseNotes.html
http://java.sun.com/javase/6/webnotes/6u17.html
http://secunia.com/advisories/37386
http://security.gentoo.org/glsa/glsa-200911-02.xml

Get alerted when CVE-2009-3881 or the next vulnerability affects your stack