vulnerability
Ubuntu: USN-4201-1 (CVE-2019-16255): Ruby vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | Oct 1, 2019 | Nov 27, 2019 | Aug 18, 2025 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Oct 1, 2019
Added
Nov 27, 2019
Modified
Aug 18, 2025
Description
Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 allows code injection if the first argument (aka the "command" argument) to Shell#[] or Shell#test in lib/shell.rb is untrusted data. An attacker can exploit this to call an arbitrary Ruby method.
Solutions
ubuntu-upgrade-libruby2-3ubuntu-upgrade-libruby2-5ubuntu-upgrade-ruby2-3ubuntu-upgrade-ruby2-5
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.