The sycc422_t_rgb function in common/color.c in OpenJPEG before 2.1.1 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted jpeg2000 file.
https://www.oracle.com/security-alerts/cpujul2020.html
https://security.gentoo.org/glsa/201612-26
https://github.com/uclouvain/openjpeg/issues/726
https://github.com/uclouvain/openjpeg/commit/15f081c89650dccee4aa4ae66f614c3fdb268767