openjpeg: integer overflow in function opj_get_encoding_parameters in openjp2/pi.c

An improper computation of ptx0, ptx1, pty0 and pty1 in the function opjgetencodingparameters in openjp2/pi.c in OpenJPEG through 2.3.0 can lead to an integer overflow...

DEBIAN-CVE-2018-20847

An improper computation of ptx0, ptx1, pty0 and pty1 in the function opjgetencodingparameters in openjp2/pi.c in OpenJPEG through 2.3.0 can lead to an integer overflow...