An upx security update has been released for Fedora 33.

SECURITY: Fedora 33 Update: upx-3.96-8.fc33

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Fedora Update Notification
FEDORA-2021-4b43992608
2021-03-19 18:48:17.335783
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Name : upx
Product : Fedora 33
Version : 3.96
Release : 8.fc33
URL :   http://upx.sourceforge.net/
Summary : Ultimate Packer for eXecutables
Description :
UPX is a free, portable, extendable, high-performance executable
packer for several different executable formats. It achieves an
excellent compression ratio and offers very fast decompression. Your
executables suffer no memory overhead or other drawbacks.

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Update Information:

Fix for CVE-2021-20285
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ChangeLog:

* Thu Mar 11 2021 Gwyn Ciesla - 3.96-8
- PAtch for CVE-2021-20285
* Wed Jan 27 2021 Fedora Release Engineering - 3.96-7
- Rebuilt for   https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
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References:

[ 1 ] Bug #1937791 - CVE-2021-20285 upx: Illegal memory access in canPack function in p_lx_elf.cpp [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1937791
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2021-4b43992608' 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