CVE-2011-4838

N/A Unknown
Published: December 30, 2011 Modified: April 29, 2026
View on NVD

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.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html
Source: cve@mitre.org
Broken Link
http://jruby.org/2011/12/27/jruby-1-6-5-1.html
Source: cve@mitre.org
Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2012-1232.html
Source: cve@mitre.org
Broken Link
http://secunia.com/advisories/47407
Source: cve@mitre.org
Third Party Advisory
http://secunia.com/advisories/50084
Source: cve@mitre.org
Third Party Advisory
http://security.gentoo.org/glsa/glsa-201207-06.xml
Source: cve@mitre.org
Third Party Advisory
http://www.kb.cert.org/vuls/id/903934
Source: cve@mitre.org
Third Party Advisory US Government Resource
http://www.nruns.com/_downloads/advisory28122011.pdf
Source: cve@mitre.org
Third Party Advisory
http://www.ocert.org/advisories/ocert-2011-003.html
Source: cve@mitre.org
Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/72019
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://jruby.org/2011/12/27/jruby-1-6-5-1.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2012-1232.html
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://secunia.com/advisories/47407
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://secunia.com/advisories/50084
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://security.gentoo.org/glsa/glsa-201207-06.xml
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.kb.cert.org/vuls/id/903934
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory US Government Resource
http://www.nruns.com/_downloads/advisory28122011.pdf
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.ocert.org/advisories/ocert-2011-003.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/72019
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry

20 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
4.4%
90th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-400

Affected Vendors

jruby

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