Advisory Published

USN-4180-1: Bash vulnerability

First published: Mon Nov 11 2019(Updated: )

It was discovered that Bash incorrectly handled certain inputs. An attacker could possibly use this issue to cause a crash or execute arbitrary code.

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/bash<4.2-2ubuntu2.9
4.2-2ubuntu2.9
Ubuntu OpenSSH Client=12.04

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Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is USN-4180-1?

    USN-4180-1 is the ID of the security notice issued by Ubuntu regarding the Bash vulnerability.

  • What is the severity of USN-4180-1?

    The severity of USN-4180-1 is classified as high.

  • How does the Bash vulnerability in USN-4180-1 affect my system?

    The Bash vulnerability in USN-4180-1 can allow an attacker to cause a crash or execute arbitrary code on your system.

  • Which version of Bash is vulnerable in USN-4180-1?

    The vulnerable version of Bash in USN-4180-1 is 4.2-2ubuntu2.9.

  • How can I fix the Bash vulnerability in USN-4180-1?

    To fix the Bash vulnerability in USN-4180-1, you should update the Bash package to version 4.2-2ubuntu2.9 or later.

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