A libpano13 security update has been released for Fedora 33.

SECURITY: Fedora 33 Update: libpano13-2.9.20-1.fc33

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Fedora Update Notification
FEDORA-2021-67cbea4608
2021-04-15 14:51:51.017551
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Name : libpano13
Product : Fedora 33
Version : 2.9.20
Release : 1.fc33
URL :   http://panotools.sourceforge.net/
Summary : Library for manipulating panoramic images
Description :
Helmut Dersch's Panorama Tools library. Provides very high quality
manipulation, correction and stitching of panoramic photographs.

Due to patent restrictions, this library has a maximum fisheye field-of-view
restriction of 179 degrees to prevent stitching of hemispherical photographs.

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Update Information:

Upstream release, security fix for CVE-2021-20307
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ChangeLog:

* Tue Jan 26 2021 Bruno Postle - 2.9.20-1
- Upstream release, contains fix for CVE-2021-20307
* Tue Jan 26 2021 Fedora Release Engineering - 2.9.19-14
- Rebuilt for   https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
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References:

[ 1 ] Bug #1946284 - CVE-2021-20307 libpano13: Format string vulnerability in panoFileOutputNamesCreate()
  https://bugzilla.redhat.com/show_bug.cgi?id=1946284
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-67cbea4608' 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