OpenJPEG vulnerabilities

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

* Ubuntu 16.04 LTS

Summary

Several security issues were fixed in OpenJPEG.

Software Description

* openjpeg2 - Open-source JPEG 2000 codec written in C language

Details

It was discovered that OpenJPEG incorrectly handled certain image
files. A remote attacker could possibly use this issue to cause a
denial of service. (CVE-2016-9112)

It was discovered that OpenJPEG did not properly handle certain
input. If OpenJPEG were supplied with specially crafted input, it
could be made to crash or potentially execute arbitrary code.
(CVE-2018-20847, CVE-2018-21010, CVE-2020-6851, CVE-2020-8112,
CVE-2020-15389)

It was discovered that OpenJPEG incorrectly handled certain BMP
files. A remote attacker could possibly use this issue to cause a
denial of service. (CVE-2019-12973)

Update instructions

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

Ubuntu 16.04 LTS
libopenjp2-7 - 2.1.2-1.1+deb9u5build0.16.04.1
libopenjp2-tools - 2.1.2-1.1+deb9u5build0.16.04.1
libopenjp3d-tools - 2.1.2-1.1+deb9u5build0.16.04.1
libopenjp3d7 - 2.1.2-1.1+deb9u5build0.16.04.1
libopenjpip-dec-server - 2.1.2-1.1+deb9u5build0.16.04.1
libopenjpip-server - 2.1.2-1.1+deb9u5build0.16.04.1
libopenjpip-viewer - 2.1.2-1.1+deb9u5build0.16.04.1
libopenjpip7 - 2.1.2-1.1+deb9u5build0.16.04.1

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

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

References

* LP: XXXXXX

--- Mystic BBS v1.12 A46 (Linux/64)
* Origin: BZ&BZ BBS (21:4/110)