A heap-based buffer overflow was discovered in the opj_t2_encode_packet function in lib/openjp2/t2.c in OpenJPEG 2.2.0. The vulnerability causes an out-of-bounds write, which may lead to remote denial of service or possibly unspecified other impact.
Severity
CVSS 3.1
8.8 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
4.4% chance of exploitation in the next 30 days; higher than 91% of CVEs (scores of 2026-10-31)