CVE-2019-16255

HIGH
8.1
CVSS Score
Published: November 26, 2019 at 12:00 AM UTC
Updated: June 17, 2026 at 02:22 AM UTC
4 products affected across 4 vendorsDebian LinuxLeapGraalVM

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Severity
HIGH8.1
Exploit prediction
EPSS 4%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

95%
2.4.0 ≤ v ≤ 2.4.72.5.0 ≤ v ≤ 2.5.62.6.0 ≤ v ≤ 2.6.4

References (15)

CVSS

Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-94

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