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Ubuntu 16.04 ESM: USN-4968-2 Critical LZ4 Denial of Service

ubuntu
Calendar Grey May 31, 2021
Dist Ubuntu Esm H88
An issue with LZ4 in certain Ubuntu versions poses a risk of system crashes or potential unauthorized code execution. Prompt patching is essential.
LZ4 could be made to crash or run programs if it opened a specially crafted file.

Summary

Topics%20covered

Topics Covered

security advisory denial of service critical threat ubuntu lz4

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 ESM: liblz4-1 0.0~r131-2ubuntu2+esm1 Ubuntu 14.04 ESM: liblz4-1 0.0~r114-2ubuntu1+esm2 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4968-2

https://ubuntu.com/security/notices/USN-4968-1

CVE-2021-3520

Severity
critical
Lowest
Low
Medium
High
Critical

May 31, 2021

Topics%20covered

Topics Covered

security advisory denial of service critical threat ubuntu lz4

Package Information

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