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Ubuntu: 4760-1 Critical: Libzstd Information Exposure Risk

ubuntu
Calendar Grey March 8, 2021
Dist Ubuntu Esm H88
The Ubuntu security notice USN-4760-1 draws attention to vulnerabilities in libzstd that may lead to the exposure of confidential information across various versions.
libzstd could be made to expose sensitive information.

Summary

Topics%20covered

Topics Covered

security advisory security update critical information exposure ubuntu file permissions libzstd

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 20.10: libzstd1 1.4.5+dfsg-4ubuntu0.1 zstd 1.4.5+dfsg-4ubuntu0.1 Ubuntu 20.04 LTS: libzstd1 1.4.4+dfsg-3ubuntu0.1 zstd 1.4.4+dfsg-3ubuntu0.1 Ubuntu 18.04 LTS: libzstd1 1.3.3+dfsg-2ubuntu1.2 zstd 1.3.3+dfsg-2ubuntu1.2 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4760-1

CVE-2021-24031, CVE-2021-24032

Severity
critical
Lowest
Low
Medium
High
Critical

March 08, 2021

Topics%20covered

Topics Covered

security advisory security update critical information exposure ubuntu file permissions libzstd

Package Information

https://launchpad.net/ubuntu/+source/libzstd/1.4.5+dfsg-4ubuntu0.1 https://launchpad.net/ubuntu/+source/libzstd/1.4.4+dfsg-3ubuntu0.1 https://launchpad.net/ubuntu/+source/libzstd/1.3.3+dfsg-2ubuntu1.2

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