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Ubuntu 21.04: USN-5020-1 Critical: Ruby Code Execution Risks

ubuntu
Calendar Grey July 21, 2021
Dist Ubuntu Esm H88
Remedies for multiple security vulnerabilities in Ruby impacting Ubuntu versions 16.04 through 21.04 have been disclosed in USN-5020-1. Ensure your packages are updated immediately!
Several security issues were fixed in Ruby.

Summary

Topics%20covered

Topics Covered

security advisory code execution update instructions arbitrary code ubuntu ruby input handling

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 21.04: libruby2.7 2.7.2-4ubuntu1.2 ruby2.7 2.7.2-4ubuntu1.2 Ubuntu 20.10: libruby2.7 2.7.1-3ubuntu1.4 ruby2.7 2.7.1-3ubuntu1.4 Ubuntu 20.04 LTS: libruby2.7 2.7.0-5ubuntu1.5 ruby2.7 2.7.0-5ubuntu1.5 Ubuntu 18.04 LTS: libruby2.5 2.5.1-1ubuntu1.10 ruby2.5 2.5.1-1ubuntu1.10 Ubuntu 16.04 ESM: libruby2.3 2.3.1-2~ubuntu16.04.16+esm1 ruby2.3 2.3.1-2~ubuntu16.04.16+esm1 In general, a standard system update will make all the necessary changes.

References

CVE-2021-31799, CVE-2021-31810, CVE-2021-32066

Severity
critical
Lowest
Low
Medium
High
Critical

July 21, 2021

Topics%20covered

Topics Covered

security advisory code execution update instructions arbitrary code ubuntu ruby input handling

Package Information

https://launchpad.net/ubuntu/+source/ruby2.7/2.7.2-4ubuntu1.2 https://launchpad.net/ubuntu/+source/ruby2.7/2.7.1-3ubuntu1.4 https://launchpad.net/ubuntu/+source/ruby2.7/2.7.0-5ubuntu1.5 https://launchpad.net/ubuntu/+source/ruby2.5/2.5.1-1ubuntu1.10

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