[USN-4156-2] SDL vulnerabilities

[Leonidas S. Barbosa]

==========================================================================
Ubuntu Security Notice USN-4156-2
October 16, 2019

libsdl1.2 vulnerabilities
==========================================================================

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

- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM

Summary:

Several security issues were fixed in SDL.

Software Description:
- libsdl1.2: Simple DirectMedia Layer debug files

Details:

USN-4156-1 fixed several vulnerabilities in SDL. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

 It was discovered that SDL incorrectly handled certain images. If a user
 were tricked into opening a crafted image file, a remote attacker could
 use this issue to cause SDL to crash, resulting in a denial of service, or
 possibly execute arbitary code.

Update instructions:

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

Ubuntu 14.04 ESM:
  libsdl1.2debian                 1.2.15-8ubuntu1.1+esm1

Ubuntu 12.04 ESM:
  libsdl1.2debian                 1.2.14-6.4ubuntu3.2

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

References:
  https://usn.ubuntu.com/4156-2
  https://usn.ubuntu.com/4156-1
  CVE-2019-13616, CVE-2019-7572, CVE-2019-7573, CVE-2019-7574,
  CVE-2019-7575, CVE-2019-7576, CVE-2019-7577, CVE-2019-7578,
  CVE-2019-7635, CVE-2019-7636, CVE-2019-7637
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