[USN-4880-1] OpenJPEG vulnerabilities

========================================================================== Ubuntu Security Notice USN-4880-1 March 16, 2021
openjpeg2 vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 16.04 LTS
Several security issues were fixed in OpenJPEG.
Software Description: – openjpeg2: JPEG 2000 image compression/decompression library
It was discovered that OpenJPEG incorrectly handled certain image data. An attacker could use this issue to cause OpenJPEG to crash, leading to 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 16.04 LTS: libopenjp2-7 2.1.2-1.1+deb9u6build0.16.04.1 libopenjp3d7 2.1.2-1.1+deb9u6build0.16.04.1 libopenjpip7 2.1.2-1.1+deb9u6build0.16.04.1
In general, a standard system update will make all the necessary changes.
References: ubuntu.com/security/notices/USN-4880-1 CVE-2020-27814, CVE-2020-27823, CVE-2020-27824, CVE-2020-27841, CVE-2020-27845
Package Information: launchpad.net/ubuntu/+source/openjpeg2/2.1.2-1.1+deb9u6build0.16.04.1