CVE-2011-4838

N/A
Published: December 30, 2011 at 01:00 AM UTC
Updated: June 16, 2026 at 11:35 PM UTC
1 product affected across 1 vendorJruby

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Severity
N/A
Exploit prediction
EPSS 4%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.6.5.1
Affected range stops below 1.6.5.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (10)

Vendor Advisoryx_refsource_REDHATBroken Link
http://rhn.redhat.com/errata/RHSA-2012-1232.html
Third Party Advisoryx_refsource_SECUNIA
http://secunia.com/advisories/47407
Third Party Advisoryx_refsource_SECUNIA
http://secunia.com/advisories/50084
Vendor Advisoryx_refsource_GENTOOThird Party Advisory
http://security.gentoo.org/glsa/glsa-201207-06.xml
Third Party Advisoryx_refsource_CERT-VNUS Government Resource
http://www.kb.cert.org/vuls/id/903934

CVSS

Confidentiality
NONE
Integrity
NONE
Availability
PARTIAL
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400

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