CVE-2019-6988: Uclouvain Openjpeg

Medium severity, CVSS 6.5. EPSS: 1.7% chance of exploitation in the next 30 days.

An issue was discovered in OpenJPEG 2.3.0. It allows remote attackers to cause a denial of service (attempted excessive memory allocation) in opj_calloc in openjp2/opj_malloc.c, when called from opj_tcd_init_tile in openjp2/tcd.c, as demonstrated by the 64-bit opj_decompress.

Affected products

• Uclouvain Openjpeg: version 2.3.0 only

Published 2019-01-28. Last modified 2026-06-17.