[USN-5707-1] Libtasn1 vulnerability

[Ian Constantin]

==========================================================================
Ubuntu Security Notice USN-5707-1
October 31, 2022

libtasn1-6 vulnerability
==========================================================================

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

- Ubuntu 16.04 ESM

Summary:

Libtasn1 could cause a crash when processing certain inputs.

Software Description:
- libtasn1-6 - Library to manage ASN.1 structures

Details:

It was discovered that Libtasn1 did not properly perform bounds
checking. An attacker could possibly use this issue to cause a
crash.

Update instructions:

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

Ubuntu 16.04 ESM:
   libtasn1-6                   4.7-3ubuntu0.16.04.3+esm3

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

References:
   https://ubuntu.com/security/notices/USN-5707-1
   CVE-2021-46848
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