CVE-2020-6851

HighCVSS 7.5/10Last modified Sep 22, 2026

Description

OpenJPEG through 2.3.1 has a heap-based buffer overflow in opj_t1_clbl_decode_processor in openjp2/t1.c because of lack of opj_j2k_update_image_dimensions validation.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-787

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://access.redhat.com/errata/RHSA-2020:0262Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0274Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0296Third Party Advisory
https://github.com/uclouvain/openjpeg/issues/1228Exploit, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/01/msg00025.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00008.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LACIIDDCKZJEPKTTFILSOSBQL7L3FC6V/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XBRMI2D3XPVWKE3V52KRBW7BJVLS5LD3/
https://www.debian.org/security/2021/dsa-4882Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2020.htmlPatch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2026/09/22/6
https://access.redhat.com/errata/RHSA-2020:0262Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0274Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0296Third Party Advisory
https://github.com/uclouvain/openjpeg/issues/1228Exploit, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/01/msg00025.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00008.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LACIIDDCKZJEPKTTFILSOSBQL7L3FC6V/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XBRMI2D3XPVWKE3V52KRBW7BJVLS5LD3/
https://www.debian.org/security/2021/dsa-4882Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2020.htmlPatch, Third Party Advisory

Timeline

Published: Jan 13, 2020
Last modified: Sep 22, 2026
NVD status: Modified

Related CVEs from 2020

CVE-2020-68529.8CACAGOO Cloud Storage Intelligent Camera TV-288ZD-2MP with firmware 3.4.2.0919 has weak authentication of TELNET access, leading to root pri CVE-2020-68545.4A cross-site scripting (XSS) vulnerability in the JOC Cockpit component of SOS JobScheduler 1.11 and 1.13.2 allows attackers to inject arbit CVE-2020-68556.5A large or infinite loop vulnerability in the JOC Cockpit component of SOS JobScheduler 1.11 and 1.13.2 allows attackers to parameterize hou CVE-2020-68566.5An XML External Entity (XEE) vulnerability exists in the JOC Cockpit component of SOS JobScheduler 1.12 and 1.13.2 allows attackers to read CVE-2020-68575.5CarbonFTP v1.4 uses insecure proprietary password encryption with a hard-coded weak encryption key. The key for local FTP server passwords i CVE-2020-68586.5Hotels Styx through 1.0.0.beta8 allows HTTP response splitting due to CRLF Injection. This is exploitable if untrusted user input can appear CVE-2020-68595.3Multiple Insecure Direct Object Reference vulnerabilities in includes/core/class-files.php in the Ultimate Member plugin through 2.1.2 for W CVE-2020-68608.8libmysofa 0.9.1 has a stack-based buffer overflow in readDataVar in hdf/dataobject.c during the reading of a header message attribute.CVE-2020-68615.5A flawed protocol design in the Ledger Monero app before 1.5.1 for Ledger Nano and Ledger S devices allows a local attacker to extract the m CVE-2020-68625.3V6.0.10P2T2 and V6.0.10P2T5 of F6x2W product are impacted by Information leak vulnerability. Unauthorized users could log in directly to obt CVE-2020-68636.5ZTE E8820V3 router product is impacted by a permission and access control vulnerability. Attackers could use this vulnerability to tamper wi CVE-2020-68646.5ZTE E8820V3 router product is impacted by an information leak vulnerability. Attackers could use this vulnerability to to gain wireless pass