CVE-2012-2739

NameCVE-2012-2739
DescriptionOracle Java SE before 7 Update 6, and OpenJDK 7 before 7u6 build 12 and 8 before build 39, computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
openjdk-6source(unstable)(unfixed)unimportant
openjdk-7source(unstable)(unfixed)unimportant

Notes

Upstream disputes this and states it needs to be fixed in Java apps itself
http://mail.openjdk.java.net/pipermail/core-libs-dev/2012-May/010238.html
http://armoredbarista.blogspot.de/2012/02/investigating-hashdos-issue.html
https://www.openwall.com/lists/oss-security/2012/06/15/12
https://www.openwall.com/lists/oss-security/2012/06/17/1
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