vulnerability

Arch Linux: Arbitrary code execution (CVE-2019-16255)

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Nov 26, 2019
Added
Jul 11, 2025
Modified
Nov 27, 2025

Description

It has been discovered that Ruby before 2.4.8, 2.5.7 and 2.6.5 is vulnerable to code injection. Shell#[] and its alias Shell#test defined in lib/shell.rb allow code injection if the first argument (aka the “command” argument) is untrusted data. An attacker can exploit this to call an arbitrary Ruby method.

Solution

arch-linux-upgrade-latest

References

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