CVE-2020-6851
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.
- Score
- CVSS 3.1 7.5 High
- Status
- Modified - cve@mitre.org
- Published
- 2020-01-13
- Last modified
- 2026-09-22
- Weaknesses
- CWE-787
Affected products
- Debian Linux (Debian)
- Fedora (Fedoraproject)
- Georaster (Oracle)
- Outside In Technology (Oracle)
- Enterprise Linux (Redhat)
- Enterprise Linux Desktop (Redhat)
- Enterprise Linux Eus (Redhat)
- Enterprise Linux Server (Redhat)
- Enterprise Linux Server Aus (Redhat)
- Enterprise Linux Server Tus (Redhat)
- Enterprise Linux Workstation (Redhat)
- Openjpeg (Uclouvain)
References
- https://access.redhat.com/errata/RHSA-2020:0262
- https://access.redhat.com/errata/RHSA-2020:0274
- https://access.redhat.com/errata/RHSA-2020:0296
- https://github.com/uclouvain/openjpeg/issues/1228
- https://lists.debian.org/debian-lts-announce/2020/01/msg00025.html
- https://lists.debian.org/debian-lts-announce/2020/07/msg00008.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LACIIDDCKZJEPKTTFILSOS…
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XBRMI2D3XPVWKE3V52KRBW…
- https://www.debian.org/security/2021/dsa-4882
- https://www.oracle.com/security-alerts/cpujul2020.html
- http://www.openwall.com/lists/oss-security/2026/09/22/6
