USN-6219-1: Ruby vulnerabilities

12 July 2023

Several security issues were fixed in Ruby.

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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.

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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.

References

Related notices

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