CVE-2020-6851

HIGH

OpenJPEG < 2.3.1 - Heap-Based Buffer Overflow in opj_t1_clbl_decode_processor

Title source: llm
STIX 2.1

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.

References (10)

Core 10
Core References
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/01/msg00025.html
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2020:0262
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2020:0274
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2020:0296
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/07/msg00008.html
Patch, Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpujul2020.html
Exploit, Third Party Advisory x_refsource_misc
https://github.com/uclouvain/openjpeg/issues/1228
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2021/dsa-4882

Scores

CVSS v3 7.5
EPSS 0.0145
EPSS Percentile 81.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-787
Status published
Products (23)
debian/debian_linux 8.0
debian/debian_linux 9.0
debian/debian_linux 10.0
fedoraproject/fedora 30
fedoraproject/fedora 31
oracle/georaster 18c
oracle/outside_in_technology 8.5.4
oracle/outside_in_technology 8.5.5
redhat/enterprise_linux 8.0
redhat/enterprise_linux_desktop 7.0
... and 13 more
Published Jan 13, 2020
Tracked Since Feb 18, 2026