Vulnerability	Vulnerable Version
M Improper Validation of Certificate with Host Mismatch org.jruby:jruby is a high performance, stable, fully threaded Java implementation of the Ruby programming language. Affected versions of this package are vulnerable to Improper Validation of Certificate with Host Mismatch in the SSL certificate validation process. An attacker can intercept secure communications by presenting a valid certificate for an unrelated domain that the attacker controls. Note: This is only exploitable if the attacker is in a "man-in-the-middle" (MITM) position before performing the attack. How to fix Improper Validation of Certificate with Host Mismatch? Upgrade `org.jruby:jruby` to version 9.4.12.1, 10.0.0.1 or higher.	[9.3.4.0,9.4.12.1)[10.0.0.0,10.0.0.1)

Improper Validation of Certificate with Host Mismatch

org.jruby:jruby is a high performance, stable, fully threaded Java implementation of the Ruby programming language.

Affected versions of this package are vulnerable to Improper Validation of Certificate with Host Mismatch in the SSL certificate validation process. An attacker can intercept secure communications by presenting a valid certificate for an unrelated domain that the attacker controls.

Note:

This is only exploitable if the attacker is in a "man-in-the-middle" (MITM) position before performing the attack.

How to fix Improper Validation of Certificate with Host Mismatch?

Upgrade org.jruby:jruby to version 9.4.12.1, 10.0.0.1 or higher.

[9.3.4.0,9.4.12.1)[10.0.0.0,10.0.0.1)

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