CVE-2026-6192 uclouvain openjpeg pi.c opj_pi_initialise_encode integer overflow

A vulnerability was identified in uclouvain openjpeg up to 2.5.4. This impacts the function opjpiinitialiseencode in the library src/lib/openjp2/pi.c. The manipulation leads to integer overflow. The attack must be carried out locally. The exploit is publicly available and might be used. The...