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.
History

Tue, 22 Sep 2026 18:30:00 +0000

Type Values Removed Values Added
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2020-01-13T05:02:35.000Z

Updated: 2026-09-22T17:07:24.725Z

Reserved: 2020-01-13T00:00:00.000Z

Link: CVE-2020-6851

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-01-13T06:15:10.957

Modified: 2026-09-22T18:17:08.367

Link: CVE-2020-6851

cve-icon Redhat

Severity : Important

Publid Date: 2020-01-13T00:00:00Z

Links: CVE-2020-6851 - Bugzilla