CVE-2011-4838
- Source
- https://cve.org/CVERecord?id=CVE-2011-4838
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2011-4838.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2011-4838
- Downstream
- Withdrawn
- 2026-01-27T04:12:57Z
- Published
- 2011-12-30T01:55:01Z
- Modified
- 2026-01-27T04:12:57Z
- Summary
- [none]
- Details
-
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.
- References
-
- http://jruby.org/2011/12/27/jruby-1-6-5-1.html
- http://rhn.redhat.com/errata/RHSA-2012-1232.html
- http://secunia.com/advisories/47407
- http://secunia.com/advisories/50084
- http://security.gentoo.org/glsa/glsa-201207-06.xml
- http://www.kb.cert.org/vuls/id/903934
- http://www.nruns.com/_downloads/advisory28122011.pdf
- http://www.ocert.org/advisories/ocert-2011-003.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/72019
- http://archives.neohapsis.com/archives/bugtraq/2011-12/0181.html