Advisory Published

USN-6219-1: Ruby vulnerabilities

First published: Wed Jul 12 2023(Updated: )

It was discovered that Ruby incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 20.10 and Ubuntu 20.04 LTS. (CVE-2023-28755) It was discovered that Ruby incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a denial of service. This issue exists because of an incomplete fix for CVE-2023-28755. (CVE-2023-36617)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/ruby3.1<3.1.2-6ubuntu0.23.04.2
3.1.2-6ubuntu0.23.04.2
=23.04
All of
ubuntu/libruby3.1<3.1.2-6ubuntu0.23.04.2
3.1.2-6ubuntu0.23.04.2
=23.04
All of
ubuntu/ruby3.0<3.0.4-7ubuntu0.2
3.0.4-7ubuntu0.2
=22.10
All of
ubuntu/libruby3.0<3.0.4-7ubuntu0.2
3.0.4-7ubuntu0.2
=22.10
All of
ubuntu/ruby3.0<3.0.2-7ubuntu2.4
3.0.2-7ubuntu2.4
=22.04
All of
ubuntu/libruby3.0<3.0.2-7ubuntu2.4
3.0.2-7ubuntu2.4
=22.04
All of
ubuntu/ruby2.7<2.7.0-5ubuntu1.12
2.7.0-5ubuntu1.12
=20.04
All of
ubuntu/libruby2.7<2.7.0-5ubuntu1.12
2.7.0-5ubuntu1.12
=20.04
All of
ubuntu/ruby2.5<2.5.1-1ubuntu1.16+esm1
2.5.1-1ubuntu1.16+esm1
=18.04
All of
ubuntu/libruby2.5<2.5.1-1ubuntu1.16+esm1
2.5.1-1ubuntu1.16+esm1
=18.04
All of
ubuntu/libruby2.3<2.3.1-2~ubuntu16.04.16+esm8
2.3.1-2~ubuntu16.04.16+esm8
=16.04
All of
ubuntu/ruby2.3<2.3.1-2~ubuntu16.04.16+esm8
2.3.1-2~ubuntu16.04.16+esm8
=16.04

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of CVE-2023-28755?

    The severity of CVE-2023-28755 is medium.

  • How do I fix the Ruby vulnerabilities in Ubuntu?

    To fix the Ruby vulnerabilities in Ubuntu, update to the specified versions: 3.1.2-6ubuntu0.23.04.2 for ruby3.1, 3.1.2-6ubuntu0.23.04.2 for libruby3.1, 3.0.4-7ubuntu0.2 for ruby3.0, 3.0.4-7ubuntu0.2 for libruby3.0, 3.0.2-7ubuntu2.4 for ruby3.0, 3.0.2-7ubuntu2.4 for libruby3.0, 2.7.0-5ubuntu1.12 for ruby2.7, 2.7.0-5ubuntu1.12 for libruby2.7, 2.5.1-1ubuntu1.16+esm1 for ruby2.5, 2.5.1-1ubuntu1.16+esm1 for libruby2.5, 2.3.1-2~ubuntu16.04.16+esm8 for libruby2.3, and 2.3.1-2~ubuntu16.04.16+esm8 for ruby2.3.

  • What versions of Ubuntu are affected by the Ruby vulnerabilities?

    The Ruby vulnerabilities affect Ubuntu versions 23.04, 22.10, 22.04, 20.04, 18.04, and 16.04.

  • What is the remedy for CVE-2023-28755?

    The remedy for CVE-2023-28755 is to update to version 3.1.2-6ubuntu0.23.04.2 or later.

  • Where can I find more information about the Ruby vulnerabilities in Ubuntu?

    You can find more information about the Ruby vulnerabilities in Ubuntu on the Ubuntu Security Notices page.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203