USN-7256-2: Ruby regression

13 February 2025

USN-7256-1 caused some minor regressions in Ruby

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Releases

Packages

  • ruby2.7 - Object-oriented scripting language

Details

USN-7256-1 fixed vulnerabilities in Ruby. The update introduced a minor
regression. This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

It was discovered that Ruby incorrectly handled parsing of an XML document
that has specific XML characters in an attribute value using REXML gem. An
attacker could use this issue to cause Ruby to crash, resulting in a
denial of service.

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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 20.04

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

References

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