[USN-5593-1] Zstandard vulnerability

[Paulo Flabiano Smorigo]

==========================================================================
Ubuntu Security Notice USN-5593-1
September 01, 2022

libzstd vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 ESM

Summary:

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

Software Description:
- 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.

Update instructions:

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

Ubuntu 16.04 ESM:
  libzstd1                        1.3.1+dfsg-1~ubuntu0.16.04.1+esm2
  zstd                            1.3.1+dfsg-1~ubuntu0.16.04.1+esm2

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

References:
  https://ubuntu.com/security/notices/USN-5593-1
  CVE-2019-11922
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: not available
URL: <https://lists.ubuntu.com/archives/ubuntu-security-announce/attachments/20220902/c321631d/attachment.sig>