1. Ubuntu Security Notices
  2. USN-4830-1

USN-4830-1: Okular vulnerability

Publication date

15 March 2021

Overview

Okular could be made to overwrite files.

Releases

Packages

  • okular - universal document viewer

Details

It was discovered that Okular mishandled certain crafted archives during
extraction. An attacker could use this vulnerability to write arbitrary
files to the filesystem.

It was discovered that Okular mishandled certain crafted archives during
extraction. An attacker could use this vulnerability to write arbitrary
files to the filesystem.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
18.04 bionic libokular5core8 –  4:17.12.3-0ubuntu1+esm1  
okular –  4:17.12.3-0ubuntu1+esm1  
qml-module-org-kde-okular –  4:17.12.3-0ubuntu1+esm1  

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References

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