This is an OpenPGP/MIME signed message (RFC 4880 and 3156)
--===============2270358672043727450==
Content-Language: en-US
Content-Type: multipart/signed; micalg=pgp-sha256;
 protocol="application/pgp-signature";
 boundary="------------U0j0gIPbzMYPd11S3HHfLewP"

This is an OpenPGP/MIME signed message (RFC 4880 and 3156)
--------------U0j0gIPbzMYPd11S3HHfLewP
Content-Type: multipart/mixed;
 boundary="------------CKJZMNeBzBWiPMb5auq6K3Vc";
 protected-headers="v1"
From: Rodrigo Figueiredo Zaiden <rodrigo.zaiden@canonical.com>
Reply-To: security@ubuntu.com
To: ubuntu-security-announce@lists.ubuntu.com
Message-ID: <1ca65130-b2c2-4c05-7b49-f8ca19199bdd@canonical.com>
Subject: [USN-5398-1] Simple DirectMedia Layer vulnerability

--------------CKJZMNeBzBWiPMb5auq6K3Vc
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: base64

==========================================================================
Ubuntu Security Notice USN-5398-1
April 28, 2022

libsdl1.2, libsdl2 vulnerability
==========================================================================

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

- Ubuntu 21.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM

Summary:

SDL (Simple DirectMedia Layer) could be made to crash or run programs if
it opened a specially crafted file.

Software Description:
- libsdl2: Cross-platform multimedia library with low access to hardware
- libsdl1.2: Simple DirectMedia Layer

Details:

It was discovered that SDL (Simple DirectMedia Layer) incorrectly handled
certain files. An attacker could possibly use this issue to cause a denial
of service, or possibly execute arbitrary code.

Update instructions:

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

Ubuntu 21.10:
   libsdl2-2.0-0                   2.0.14+dfsg2-3ubuntu0.1

Ubuntu 18.04 LTS:
   libsdl1.2debian                 1.2.15+dfsg2-0.1ubuntu0.2

Ubuntu 16.04 ESM:
   libsdl1.2debian                 1.2.15+dfsg1-3ubuntu0.1+esm1

Ubuntu 14.04 ESM:
   libsdl1.2debian                 1.2.15-8ubuntu1.1+esm2

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

References:
   https://ubuntu.com/security/notices/USN-5398-1
   CVE-2021-33657

Package Information:
   https://launchpad.net/ubuntu/+source/libsdl2/2.0.14+dfsg2-3ubuntu0.1
   https://launchpad.net/ubuntu/+source/libsdl1.2/1.2.15+dfsg2-0.1ubuntu0.2
--------------CKJZMNeBzBWiPMb5auq6K3Vc--

--------------U0j0gIPbzMYPd11S3HHfLewP
Content-Type: application/pgp-signature; name="OpenPGP_signature.asc"
Content-Description: OpenPGP digital signature
Content-Disposition: attachment; filename="OpenPGP_signature"

-----BEGIN PGP SIGNATURE-----

wsB5BAABCAAjFiEEYrygdx1GDec9TV8EZ0GeRcM5nt0FAmJrBc4FAwAAAAAACgkQZ0GeRcM5nt2o
zQgAnJlCg8cG7gtLB6mbOGHafR4GXIAk0OLfoBBBBoySpCnoX2HEiRWsGMJeVHs+cEXPHWS902sk
ATEDhGV8f3qM9ta0ECz0jMK6uOAGH22V8kXmgJRLK1jtbdrsyqyzjuTv1xxZ/1SphUWDCMIvjxfi
hlrUt3pbboMktJh+SDOeKIajxbhfNkFd/CiOPi4MxwTs9HMd1Vz4i4JhVwnI2vAcVs0w730o3Jqz
I2rgzG6Cmqv6PRpiKzBTIadPX6G6v71eaF5iZuS4V2oQCABKk3YRm3ZZVa0nl4bECwzx/godiOVC
O6GOZS6VVjzxIXclfell+Am3s3s73SWmwhBdswk8YQ==
=eAUM
-----END PGP SIGNATURE-----

--------------U0j0gIPbzMYPd11S3HHfLewP--


--===============2270358672043727450==
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: base64
Content-Disposition: inline

Cg==

--===============2270358672043727450==--