Your submission was sent successfully! Close

You have successfully unsubscribed! Close

USN-5593-1: Zstandard vulnerability

1 September 2022

Zstandard could be made to execute arbitrary code if it received specially crafted input.

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.

Learn more about Ubuntu Pro

Releases

Packages

  • libzstd - fast lossless compression algorithm

Details

It was discovered that Zstandard incorrectly handled certain inputs.
An attacker could possibly use this issue to execute arbitrary code.

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.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 16.04

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

References

Related notices

  • USN-4108-1: libzstd, libzstd1-dev, libzstd-dev, libzstd1-udeb, libzstd1, zstd