A mingw-openjpeg2 security update has been released for Fedora 33.

SECURITY: Fedora 33 Update: mingw-openjpeg2-2.3.1-11.fc33

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Fedora Update Notification
FEDORA-2020-3e00413763
2020-12-22 01:28:31.149478
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Name : mingw-openjpeg2
Product : Fedora 33
Version : 2.3.1
Release : 11.fc33
URL :   https://github.com/uclouvain/openjpeg
Summary : MinGW Windows openjpeg2 library
Description :
MinGW Windows openjpeg2 library.

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Update Information:

This update backports patches for CVE-2020-27841, CVE-2020-27842,
CVE-2020-27843, CVE-2020-27845.
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ChangeLog:

* Thu Dec 17 2020 Sandro Mani - 2.3.1-11
* Backport patches for CVE-2020-27841, CVE-2020-27842, CVE-2020-27843, CVE-2020-27845
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References:

[ 1 ] Bug #1907674 - CVE-2020-27841 openjpeg2: openjpeg: heap-based buffer overflows in lib/openjp2/pi.c [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1907674
[ 2 ] Bug #1907675 - CVE-2020-27841 mingw-openjpeg2: openjpeg: heap-based buffer overflows in lib/openjp2/pi.c [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1907675
[ 3 ] Bug #1907681 - CVE-2020-27842 openjpeg2: openjpeg: null pointer dereference in opj_tgt_reset function in lib/openjp2/tgt.c [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1907681
[ 4 ] Bug #1907682 - CVE-2020-27842 mingw-openjpeg2: openjpeg: null pointer dereference in opj_tgt_reset function in lib/openjp2/tgt.c [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1907682
[ 5 ] Bug #1907686 - CVE-2020-27843 openjpeg2: openjpeg: out-of-bounds read in opj_t2_encode_packet function in openjp2/t2.c [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1907686
[ 6 ] Bug #1907688 - CVE-2020-27843 mingw-openjpeg2: openjpeg: out-of-bounds read in opj_t2_encode_packet function in openjp2/t2.c [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1907688
[ 7 ] Bug #1907702 - CVE-2020-27845 openjpeg2: openjpeg: heap-based buffer overflow in functions opj_pi_next_rlcp, opj_pi_next_rpcl and opj_pi_next_lrcp in openjp2/pi.c [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1907702
[ 8 ] Bug #1907703 - CVE-2020-27845 mingw-openjpeg2: openjpeg: heap-based buffer overflow in functions opj_pi_next_rlcp, opj_pi_next_rpcl and opj_pi_next_lrcp in openjp2/pi.c [fedora-all]
  https://bugzilla.redhat.com/show_bug.cgi?id=1907703
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2020-3e00413763' 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