Ubuntu alert USN-5638-1 (expat)

From:
             
 
Ian Constantin <ian.constantin@canonical.com>
To:
             
 
ubuntu-security-announce@lists.ubuntu.com
Subject:
             
 
[USN-5638-1] Expat vulnerability
Date:
             
 
Mon, 26 Sep 2022 11:16:25 -0400
Message-ID:
             
 
<ced423b1-5aef-8a51-62e3-e908652fac31@canonical.com>
==========================================================================
Ubuntu Security Notice USN-5638-1
September 26, 2022

expat vulnerability
==========================================================================

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

- Ubuntu 16.04 ESM

Summary:

Expat could be made to crash or execute arbitrary code.

Software Description:
- expat: XML parsing C library

Details:

Rhodri James discovered that Expat incorrectly handled memory when
processing certain malformed XML files. An attacker could possibly
use this issue to cause a crash or execute arbitrary code.

Update instructions:

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

Ubuntu 16.04 ESM:
   expat                               2.1.0-7ubuntu0.16.04.5+esm6
   lib64expat1                     2.1.0-7ubuntu0.16.04.5+esm6
   libexpat1                         2.1.0-7ubuntu0.16.04.5+esm6

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

References:
   https://ubuntu.com/security/notices/USN-5638-1
   CVE-2022-40674