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USN-4686-1: Ghostscript vulnerabilities

7 January 2021

Several security issues were fixed in Ghostscript.

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Releases

Packages

Details

It was discovered that Ghostscript incorrectly handled certain image
files. If a user or automated system were tricked into processing a
specially crafted file, a remote attacker could use this issue to cause
Ghostscript to crash, resulting in a denial of service, or possibly
execute arbitrary code.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 18.04
Ubuntu 16.04

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

References

Related notices

  • USN-4685-1: libopenjp3d-tools, libopenjpip-server, libopenjpip-viewer, libopenjp2-7, libopenjp3d7, libopenjp2-tools, libopenjp2-7-dev, openjpeg2, libopenjpip-dec-server, libopenjpip7
  • USN-5952-1: libopenjp3d-tools, libopenjpip-server, libopenjpip-viewer, libopenjp2-7, libopenjp3d7, libopenjp2-tools, libopenjp2-7-dev, openjpeg2, libopenjpip-dec-server, libopenjpip7
  • USN-4880-1: libopenjp3d-tools, libopenjpip-server, libopenjpip-viewer, libopenjp2-7, libopenjp3d7, libopenjp2-tools, libopenjp2-7-dev, openjpeg2, libopenjpip-dec-server, libopenjpip7
  • USN-4497-1: libopenjp3d-tools, libopenjpip-server, libopenjpip-viewer, libopenjp2-7, libopenjp3d7, libopenjp2-tools, libopenjp2-7-dev, openjpeg2, libopenjpip-dec-server, libopenjpip7
  • USN-5664-1: libopenjpeg5, openjpip-server, openjpeg, libopenjpeg-java, libopenjpeg-dev, openjpip-viewer-xerces, openjpeg-tools, openjpip-viewer, openjpip-dec-server
  • USN-4782-1: libopenjp3d-tools, libopenjpip-server, libopenjpip-viewer, libopenjp2-7, libopenjp3d7, libopenjp2-tools, libopenjp2-7-dev, openjpeg2, libopenjpip-dec-server, libopenjpip7

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Further reading