This update for openjpeg2 fixes the following security issues: - CVE-2015-1239: A double free vulnerability in the j2k_read_ppm_v3 function allowed remote attackers to cause a denial of service - CVE-2017-17479: A stack-based buffer overflow in the pgxtoimage function in jpwl/convert.c could crash the converter. - CVE-2017-17480: A stack-based buffer overflow in the pgxtovolume function in jp3d/convert.c could crash the converter