| Package | Affected versions | Patched versions |
|---|---|---|
| ruby | = 1.9= 1.9.1= 1.9.2= 1.9.3= 2.0≤ 1.9.3 |
Ruby (aka CRuby) 1.9 before 1.9.3-p327 and 2.0 before r37575 computes hash values without properly 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, as demonstrated by a universal multicollision attack against a variant of the MurmurHash2 algorithm, a different vulnerability than CVE-2011-4815.
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