USN-4685-1: OpenJPEG vulnerabilities

Releases

• Ubuntu 20.10
• Ubuntu 20.04 LTS

Packages

• openjpeg2 - JPEG 2000 image compression/decompression library

Details

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 20.10

• libopenjp2-7 - 2.3.1-1ubuntu4.20.10.1
• libopenjp3d7 - 2.3.1-1ubuntu4.20.10.1
• libopenjpip7 - 2.3.1-1ubuntu4.20.10.1

Ubuntu 20.04

• libopenjp2-7 - 2.3.1-1ubuntu4.20.04.1
• libopenjp3d7 - 2.3.1-1ubuntu4.20.04.1
• libopenjpip7 - 2.3.1-1ubuntu4.20.04.1

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

References

• CVE-2020-27842
• CVE-2020-27841
• CVE-2020-27824
• CVE-2020-15389
• CVE-2020-27823
• CVE-2020-27845
• CVE-2020-27843
• CVE-2020-27814

Related notices

• USN-4686-1: libgs9-common, ghostscript-x, ghostscript-doc, libgs-dev, libgs9, ghostscript
• USN-5952-1: libopenjpip-viewer, libopenjp2-7-dev, libopenjp2-tools, libopenjpip-server, libopenjp3d-tools, openjpeg2, libopenjp3d7, libopenjpip-dec-server, libopenjpip7, libopenjp2-7
• USN-4880-1: libopenjpip-viewer, libopenjp2-7-dev, libopenjp2-tools, libopenjpip-server, libopenjp3d-tools, openjpeg2, libopenjp3d7, libopenjpip-dec-server, libopenjpip7, libopenjp2-7
• USN-5664-1: libopenjpeg-java, libopenjpeg5, openjpip-dec-server, openjpip-viewer, openjpeg-tools, openjpeg, openjpip-server, openjpip-viewer-xerces, libopenjpeg-dev
• USN-4497-1: libopenjpip-viewer, libopenjp2-7-dev, libopenjp2-tools, libopenjpip-server, libopenjp3d-tools, openjpeg2, libopenjp3d7, libopenjpip-dec-server, libopenjpip7, libopenjp2-7