VULNERABILITY INTELLIGENCE
CVE-2011-4815
CVSS score7.8 HIGH
EPSS probability4.06%
CISA KEVNot currently listed
Published2011-12-30
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:C
Description
Ruby (aka CRuby) before 1.8.7-p357 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.
Weakness classification
- CWE-20: Improper Input Validation