Bug 1907516 (CVE-2020-27843) - CVE-2020-27843 openjpeg: out-of-bounds read in opj_t2_encode_packet function in openjp2/t2.c
Summary: CVE-2020-27843 openjpeg: out-of-bounds read in opj_t2_encode_packet function ...
Keywords:
Status: NEW
Alias: CVE-2020-27843
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1907685 1907687 1908164 1907686 1907688
Blocks: 1906158 1907565
TreeView+ depends on / blocked
 
Reported: 2020-12-14 16:42 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-02-16 18:43 UTC (History)
6 users (show)

Fixed In Version: openjpeg 2.4.0
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in OpenJPEG. 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.
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Environment:
Last Closed:

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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)
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