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Critical DSA-3966-1 7 CVEs

ruby2.3 - security update

Published Sep 5, 2017 · Updated Mar 9, 2026

Ecosystem: Debian

Fixed packages 1

ReleasePackageFixed in
Debian · 9 ruby2.3 2.3.3-1+deb9u1

Vulnerabilities 7

  • Critical 9.8
    CVE-2017-0899 EPSS 11%

    RubyGems Code Injection vulnerability

    RubyGems version 2.6.12 and earlier is vulnerable to maliciously crafted gem specifications that include terminal escape characters. Printing the gem specification would execute terminal escape sequences.

    HackerOne RubyGems ruby2.3 ruby Debian Ubuntu Alpine RubyGems
  • High 8.1
    CVE-2017-0902

    RubyGems has Origin Validation Error vulnerability

    RubyGems version 2.6.12 and earlier is vulnerable to a DNS hijacking vulnerability that allows a MITM attacker to force the RubyGems client to download and install gems from a server that the attacker controls.

    HackerOne RubyGems ruby2.3 ruby Debian Ubuntu Alpine RubyGems
  • High 7.5
    CVE-2016-7798

    OpenSSL gem for Ruby using inadequate encryption strength

    The openssl gem for Ruby uses the same initialization vector (IV) in GCM Mode (aes-*-gcm) when the IV is set before the key, which makes it easier for context-dependent attackers to bypass the encryption protection mechanism.

    ruby2.3 ruby2.0 ruby1.9.1 openssl Debian Ubuntu RubyGems
  • High 7.5
    CVE-2017-0900

    RubyGems Improper Input Validation vulnerability

    RubyGems version 2.6.12 and earlier is vulnerable to maliciously crafted gem specifications to cause a denial of service attack against RubyGems clients who have issued a `query` command.

    ruby2.3 ruby jruby ruby1.9.1 Debian Ubuntu Alpine RubyGems
  • High 7.5
    CVE-2017-0901 Public exploit EPSS 29%

    RubyGems may allow a maliciously crafted gem to overwrite files

    RubyGems version 2.6.12 and earlier fails to validate specification names, allowing a maliciously crafted gem to potentially overwrite any file on the filesystem.

    HackerOne RubyGems ruby2.3 ruby Debian Ubuntu Alpine RubyGems
  • Unscored —
    CVE-2015-9096

    Net::SMTP in Ruby before 2.4.0 is vulnerable to SMTP command injection via CRLF sequences in a RCPT TO or MAIL FROM com…

    ruby2.3 ruby2.0 ruby1.9.1 Ubuntu
  • Unscored —
    CVE-2017-14064

    Ruby through 2.2.7, 2.3.x through 2.3.4, and 2.4.x through 2.4.1 can expose arbitrary memory during a JSON.generate cal…

    ruby2.3 ruby ruby2.0 ruby1.9.1 Ubuntu Alpine