An openjpeg2 security update has been released for Fedora 31.

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Fedora Update Notification
FEDORA-2020-ab8553f302
2020-01-31 01:59:12.858047
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Name : openjpeg2
Product : Fedora 31
Version : 2.3.1
Release : 4.fc31
URL :   https://github.com/uclouvain/openjpeg
Summary : C-Library for JPEG 2000
Description :
The OpenJPEG library is an open-source JPEG 2000 library developed in order to
promote the use of JPEG 2000.

This package contains
* JPEG 2000 codec compliant with the Part 1 of the standard (Class-1 Profile-1
compliance).
* JP2 (JPEG 2000 standard Part 2 - Handling of JP2 boxes and extended multiple
component transforms for multispectral and hyperspectral imagery)

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Update Information:

This update fixes CVE-2020-6851.
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ChangeLog:

* Fri Jan 17 2020 Sandro Mani - 2.3.1-4
- Backport patch for CVE 2020-6851
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2020-ab8553f302' at the command
line. For more information, refer to the dnf documentation available at
  http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
  https://fedoraproject.org/keys