CVEs-PoC/2020/CVE-2020-6851.md

CVE-2020-6851

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.

POC

Reference

• https://github.com/uclouvain/openjpeg/issues/1228
• https://www.oracle.com/security-alerts/cpujul2020.html

Github

No PoCs found on GitHub currently.