Description
JRuby before 1.6.5.1 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.
References (10)
Core 10
Core References
Third Party Advisory x_refsource_misc
http://www.nruns.com/_downloads/advisory28122011.pdf
Third Party Advisory, VDB Entry vdb-entry
x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/72019
Vendor Advisory x_refsource_confirm
http://jruby.org/2011/12/27/jruby-1-6-5-1.html
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/50084
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/47407
Third Party Advisory, US Government Resource third-party-advisory
x_refsource_cert-vn
http://www.kb.cert.org/vuls/id/903934
Broken Link vendor-advisory
x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2012-1232.html
Broken Link mailing-list
x_refsource_bugtraq
http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html
Third Party Advisory vendor-advisory
x_refsource_gentoo
http://security.gentoo.org/glsa/glsa-201207-06.xml
Third Party Advisory x_refsource_misc
http://www.ocert.org/advisories/ocert-2011-003.html
Scores
EPSS
0.0436
EPSS Percentile
90.0%
Details
CWE
CWE-400
Status
published
Products (1)
jruby/jruby
< 1.6.5.1
Published
Dec 30, 2011
Tracked Since
Feb 18, 2026