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Unscored DSA-2783-1 4 CVEs

librack-ruby - several

Published Oct 21, 2013 · Updated Mar 9, 2026

Fixed packages 1

ReleasePackageFixed in
Debian · 6.0 librack-ruby 1.1.0-4+squeeze1

Vulnerabilities 4

  • Medium —

    Rack Gem Subject to Denial of Service via Hash Collisions

    Rack before 1.1.3, 1.2.x before 1.2.5, and 1.3.x before 1.3.6 computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by send…

  • Medium —

    Rack rubygems receiving excessively long lines triggers out-of-memory error

    multipart/parser.rb in Rack 1.3.x before 1.3.8 and 1.4.x before 1.4.3 allows remote attackers to cause a denial of service (memory consumption and out-of-memory error) via a long string in a Multipart HTTP packet.

  • Medium —

    Rack vulnerable to Denial of Service

    Unspecified vulnerability in Rack::Auth::AbstractRequest in Rack 1.1.x before 1.1.5, 1.2.x before 1.2.7, 1.3.x before 1.3.9, and 1.4.x before 1.4.4 allows remote attackers to cause a denial of service via unknown vectors related to "symbolized arbitrary strin…

  • Medium —

    Rack arbitrary code execution via timing attack

    Rack::Session::Cookie in Rack 1.5.x before 1.5.2, 1.4.x before 1.4.5, 1.3.x before 1.3.10, 1.2.x before 1.2.8, and 1.1.x before 1.1.6 allows remote attackers to guess the session cookie, gain privileges, and execute arbitrary code via a timing attack involvin…