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Status published
Medium
CVE-2011-4838
JRuby before 1.6.5.1 computes hash values without restricting the ability...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.nruns.com/_downloads/advisory28122011.pdf
- https://exchange.xforce.ibmcloud.com/vulnerabilities/72019
- http://jruby.org/2011/12/27/jruby-1-6-5-1.html
- http://secunia.com/advisories/50084
- http://secunia.com/advisories/47407
- http://www.kb.cert.org/vuls/id/903934
- http://rhn.redhat.com/errata/RHSA-2012-1232.html
- http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html
- http://security.gentoo.org/glsa/glsa-201207-06.xml
- http://www.ocert.org/advisories/ocert-2011-003.html
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Affected Vendor
jruby
View all reports →Affected Software
jruby
Vulnerable Versions:
0
Timeline
Official Publish:
December 30th, 2011
Last Modified:
August 7th, 2024
Added to House:
July 19th, 2026
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.