CVE-2011-4815

NameCVE-2011-4815
DescriptionRuby (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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-88-1

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ruby1.8sourcesqueeze1.8.7.302-2squeeze3DLA-88-1
ruby1.8source(unstable)1.8.7.358-1
ruby1.9source(unstable)(not affected)
ruby1.9.1source(unstable)(not affected)

Notes

- ruby1.9 <not-affected> (Includes randomisation of the hash function)
- ruby1.9.1 <not-affected> (Includes randomisation of the hash function)

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