A libjpeg-turbo security update has been released for Debian GNU/Linux 9 LTS to address several vulnerabilities.

DLA 2302-1: libjpeg-turbo security update

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Debian LTS Advisory DLA-2302-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/
July 31, 2020   https://wiki.debian.org/LTS
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Package : libjpeg-turbo
Version : 1:1.5.1-2+deb9u1
CVE ID : CVE-2018-1152 CVE-2018-14498 CVE-2020-13790 CVE-2020-14152
Debian Bug : 902950 924678 962829

Several vulnerabilities were fixed in libjpeg-turbo,
a widely used library for handling JPEG files.

CVE-2018-1152

Denial of service vulnerability caused by a divide by zero when
processing a crafted BMP image in TJBench.

CVE-2018-14498

Denial of service (heap-based buffer over-read and application
crash) via a crafted 8-bit BMP in which one or more of the color
indices is out of range for the number of palette entries.

CVE-2020-13790

Heap-based buffer over-read via a malformed PPM input file.

CVE-2020-14152

jpeg_mem_available() did not honor the max_memory_to_use setting,
possibly causing excessive memory consumption.

For Debian 9 stretch, these problems have been fixed in version
1:1.5.1-2+deb9u1.

We recommend that you upgrade your libjpeg-turbo packages.

For the detailed security status of libjpeg-turbo please refer to
its security tracker page at:
  https://security-tracker.debian.org/tracker/libjpeg-turbo

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at:   https://wiki.debian.org/LTS