Home/CVE/A flaw was found in OpenJPEG in versions prior to 2.4.0. This flaw allows an attacker to provide specially crafted input
CVE

CVE-2020-27843

A flaw was found in OpenJPEG in versions prior to 2.4.0. This flaw allows an attacker to provide specially crafted input

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.

MEDIUM · CVSS 5.5 EPSS 0.00514
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
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⬡

Weakness Classification

CWE-125Out-of-bounds Read
CWE-125Out-of-bounds Read
▤

Affected Products & Versions

4
uclouvain openjpeg< 2.4.0
fedoraproject fedoraall versions
oracle outside in technologyall versions
debian linuxall versions
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 Jan 2021 · 06:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

9
msrcCVE-2020-27843
suse-csafopenSUSE-SU-2024:13571-1
usnUSN-5952-1
suse-csafSUSE-SU-2022:4082-1
suse-csafSUSE-SU-2022:3801-1
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.redhat.com/show_bug.cgi?id=1907516Issue TrackingThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/04/msg00006.htmlMailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV/
https://security.gentoo.org/glsa/202101-29Third Party Advisory
https://www.debian.org/security/2021/dsa-4882Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.htmlPatchThird Party Advisory
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