Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

USN-6219-1: Ruby vulnerabilities

12 July 2023

Several security issues were fixed in Ruby.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Releases

Packages

  • ruby2.3 - Object-oriented scripting language
  • ruby2.5 - Object-oriented scripting language
  • ruby2.7 - Object-oriented scripting language
  • ruby3.0 - Interpreter of object-oriented scripting language Ruby
  • ruby3.1 - Interpreter of object-oriented scripting language Ruby

Details

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)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 23.04
Ubuntu 22.10
Ubuntu 22.04
Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04

In general, a standard system update will make all the necessary changes.

Related notices

  • USN-6055-1: libruby2.5, ruby2.5-dev, ruby2.7-dev, ruby2.7, ruby2.3, ruby2.5, ruby2.7-doc, ruby2.3-tcltk, ruby2.5-doc, ruby2.3-doc, ruby2.3-dev, libruby2.3, libruby2.7
  • USN-6055-2: libruby2.5, ruby2.5-dev, ruby2.7-dev, ruby2.7, ruby2.3, ruby2.5, ruby2.7-doc, ruby2.3-tcltk, ruby2.5-doc, ruby2.3-doc, ruby2.3-dev, libruby2.3, libruby2.7
  • USN-6087-1: libruby2.5, ruby2.5-dev, ruby2.7-dev, ruby2.7, ruby2.3, ruby2.5, ruby2.7-doc, ruby2.3-tcltk, ruby2.5-doc, ruby2.3-doc, ruby2.3-dev, libruby2.3, libruby2.7
  • USN-6181-1: libruby3.1, ruby3.1-dev, ruby3.1-doc, ruby3.1