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CVE-2019-8324 · cross-distro fix matrix

CVE-2019-8324: An issue was discovered in RubyGems 2.6 and later through 3.0.2. A crafted gem with a multi-line name is not handled correctly. Therefore, an attacker could inject arbitrary code to the stub line of gemspec, which is eval-ed by code in ensure_loadable_spec during the preinstall check.

Affects 3 Linux releases across 5 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2019-8324 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • rubygems→ fixed in3.2.0~rc.1-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y rubygems

Debian bookworm

Source: Debian Security Tracker

  • jruby→ fixed in9.1.17.0-3urgency: not yet assigned
    sudo apt-get install --only-upgrade -y jruby
  • rubygems→ fixed in3.2.0~rc.1-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y rubygems

Debian trixie

Source: Debian Security Tracker

  • jruby→ fixed in9.1.17.0-3urgency: not yet assigned
    sudo apt-get install --only-upgrade -y jruby
  • rubygems→ fixed in3.2.0~rc.1-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y rubygems
Are YOU affected by CVE-2019-8324?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash
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