CVE-2011-4838

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Summary

CVECVE-2011-4838
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2011-12-30 01:55:01 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionJRuby 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.

Risk And Classification

Primary CVSS: v2.0 5 from [email protected]

AV:N/AC:L/Au:N/C:N/I:N/A:P

Problem Types: CWE-400 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:N/AC:L/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Jruby Jruby All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
JRuby 1.6.5.1 Released — JRuby.org af854a3a-2127-422b-91ae-364da2661108 jruby.org Vendor Advisory
oCERT.org - oCERT Advisories af854a3a-2127-422b-91ae-364da2661108 www.ocert.org Third Party Advisory
Security Advisory SA50084 - Red Hat update for JBoss Enterprise SOA Platform - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
VU#903934 - Hash table implementations vulnerable to algorithmic complexity attacks af854a3a-2127-422b-91ae-364da2661108 www.kb.cert.org Third Party Advisory, US Government Resource
Gentoo Linux Documentation -- JRuby: Denial of Service af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org Third Party Advisory
NEOHAPSIS - Peace of Mind Through Integrity and Insight af854a3a-2127-422b-91ae-364da2661108 archives.neohapsis.com Broken Link
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com Broken Link
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com Third Party Advisory, VDB Entry
Best 7 Best Internet Security Software in 2019 af854a3a-2127-422b-91ae-364da2661108 www.nruns.com Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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