VulnerabilityModified
CVE-2011-4838
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…
MEDIUM 5.0EPSS 4.20%
Does this matter?
Lower severity and a low EPSS score (4.20%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 4.20% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- jruby/jruby
- Source
- cve@mitre.org
References
- http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.htmlBroken Link
- http://jruby.org/2011/12/27/jruby-1-6-5-1.htmlVendor Advisory
- http://rhn.redhat.com/errata/RHSA-2012-1232.htmlBroken Link
- http://secunia.com/advisories/47407Third Party Advisory
- http://secunia.com/advisories/50084Third Party Advisory
- http://security.gentoo.org/glsa/glsa-201207-06.xmlThird Party Advisory
- http://www.kb.cert.org/vuls/id/903934Third Party Advisory, US Government Resource
- http://www.nruns.com/_downloads/advisory28122011.pdfThird Party Advisory
- http://www.ocert.org/advisories/ocert-2011-003.htmlThird Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/72019Third Party Advisory, VDB Entry
- http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.htmlBroken Link
- http://jruby.org/2011/12/27/jruby-1-6-5-1.htmlVendor Advisory
- http://rhn.redhat.com/errata/RHSA-2012-1232.htmlBroken Link
- http://secunia.com/advisories/47407Third Party Advisory
- http://secunia.com/advisories/50084Third Party Advisory
- http://security.gentoo.org/glsa/glsa-201207-06.xmlThird Party Advisory
- http://www.kb.cert.org/vuls/id/903934Third Party Advisory, US Government Resource
- http://www.nruns.com/_downloads/advisory28122011.pdfThird Party Advisory
- http://www.ocert.org/advisories/ocert-2011-003.htmlThird Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/72019Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.