Several security issues were fixed in OpenJPEG.
It was discovered that OpenJPEG incorrectly handled certain PGX files. An attacker could possibly use this issue to cause a denial of service or possibly remote code execution. (CVE-2017-17480)
21 August 2019
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in OpenJPEG.
It was discovered that OpenJPEG incorrectly handled certain PGX files. An attacker could possibly use this issue to cause a denial of service or possibly remote code execution. (CVE-2017-17480)
It was discovered that OpenJPEG incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. (CVE-2018-14423)
It was discovered that OpenJPEG incorrectly handled certain PNM files. An attacker could possibly use this issue to cause a denial of service. (CVE-2018-18088)
It was discovered that OpenJPEG incorrectly handled certain BMP files. An attacker could possibly use this issue to cause a denial of service. (CVE-2018-5785, CVE-2018-6616)
The problem can be corrected by updating your system to the following package versions:
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.