Headline
CVE-2020-27843: out-of-bounds read in opj_t2_encode_packet function in openjp2/t2.c
A flaw was found in OpenJPEG in versions prior to 2.4.0. This flaw allows an attacker to provide specially crafted input to the conversion or encoding functionality, causing an out-of-bounds read. The highest threat from this vulnerability is system availability.
Description Guilherme de Almeida Suckevicz 2020-12-14 16:42:17 UTC
A flaw was found in OpenJPEG. Specially crafted input file can lead to an out-of-bounds read in opj_t2_encode_packet function in openjp2/t2.c.
Reference: https://github.com/uclouvain/openjpeg/issues/1297
Comment 1 Todd Cullum 2020-12-15 01:46:49 UTC
Created mingw-openjpeg2 tracking bugs for this issue:
Affects: fedora-all [bug 1907688]
Created openjpeg tracking bugs for this issue:
Affects: fedora-all [bug 1907687]
Created openjpeg2 tracking bugs for this issue:
Affects: epel-7 [bug 1907685] Affects: fedora-all [bug 1907686]
Comment 2 Todd Cullum 2020-12-15 01:51:12 UTC
Acknowledgments:
Name: zodf0055980 (SQLab NCTU Taiwan)
Comment 6 Product Security DevOps Team 2021-11-09 17:53:29 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):
https://access.redhat.com/security/cve/cve-2020-27843
Comment 7 errata-xmlrpc 2021-11-09 17:56:33 UTC
This issue has been addressed in the following products:
Red Hat Enterprise Linux 8
Via RHSA-2021:4251 https://access.redhat.com/errata/RHSA-2021:4251