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Critical DLA-3858-1 8 CVEs

ruby2.7 - security update

Published Sep 2, 2024 · Updated Mar 9, 2026

Ecosystem: Debian

Fixed packages 1

ReleasePackageFixed in
Debian · 11 ruby2.7 2.7.4-1+deb11u2

Vulnerabilities 8

  • Critical 9.8
    CVE-2024-27280

    StringIO buffer overread vulnerability

    A buffer-overread issue was discovered in StringIO 3.0.1, as distributed in Ruby 3.0.x through 3.0.6 and 3.1.x through 3.1.4. The ungetbyte and ungetc methods on a StringIO can read past the end of a string, and a subsequent call to StringIO.gets may return t…

    ruby2.3 ruby ruby2.5 ruby2.7 Debian Ubuntu Alpine Wolfi RubyGems
  • High 8.8
    CVE-2021-33621

    HTTP response splitting in CGI

    The cgi gem before 0.1.0.2, 0.2.x before 0.2.2, and 0.3.x before 0.3.5 for Ruby allows HTTP response splitting. This is relevant to applications that use untrusted user input either to generate an HTTP response or to create a CGI::Cookie object.

    ruby2.3 ruby ruby2.5 jruby Debian Ubuntu Alpine RubyGems
  • High 7.5
    CVE-2023-28756

    Ruby Time component ReDoS issue

    A ReDoS issue was discovered in the Time component through 0.2.1 in Ruby through 3.2.1. The Time parser mishandles invalid URLs that have specific characters. It causes an increase in execution time for parsing strings to Time objects. The fixed versions are …

    ruby2.3 ruby ruby2.5 jruby Debian Ubuntu Alpine Wolfi RubyGems
  • Medium 6.6
    CVE-2024-27282

    An issue was discovered in Ruby 3.x through 3.3.0. If attacker-supplied data is provided to the Ruby regex compiler, it…

    ruby2.3 ruby ruby2.5 jruby Debian Ubuntu Azure Linux Alpine
  • Medium 5.3
    CVE-2023-28755

    Ruby URI component ReDoS issue

    A ReDoS issue was discovered in the URI component through 0.12.0 in Ruby through 3.2.1. The URI parser mishandles invalid URLs that have specific characters. It causes an increase in execution time for parsing strings to URI objects. The fixed versions are 0.…

    ruby2.3 ruby ruby2.5 jruby Debian Ubuntu Alpine Wolfi RubyGems
  • Medium 5.3
    CVE-2023-36617

    URI gem has ReDoS vulnerability

    A ReDoS issue was discovered in the URI component before 0.12.2 for Ruby. The URI parser mishandles invalid URLs that have specific characters. There is an increase in execution time for parsing strings to URI objects with rfc2396_parser.rb and rfc3986_parser…

    kube-fluentd-operator ruby2.3 ruby2.5 jruby Debian Ubuntu Azure Linux Wolfi RubyGems
  • Medium 4.5
    CVE-2024-27281

    RDoc RCE vulnerability with .rdoc_options

    An issue was discovered in RDoc 6.3.3 through 6.6.2, as distributed in Ruby 3.x through 3.3.0. When parsing .rdoc_options (used for configuration in RDoc) as a YAML file, object injection and resultant remote code execution are possible because there are no r…

    ruby2.3 ruby ruby2.5 jruby Debian Ubuntu Azure Linux Alpine Wolfi RubyGems
  • Unscored —
    CVE-2022-28739

    There is a buffer over-read in Ruby before 2.6.10, 2.7.x before 2.7.6, 3.x before 3.0.4, and 3.1.x before 3.1.2. It occ…

    ruby2.3 ruby ruby2.5 ruby2.7 Debian Ubuntu Alpine