Heap-based buffer overflow in the opj_j2k_read_SPCod_SPCoc function in j2k.c in OpenJPEG, as used in PDFium in Google Chrome before 51.0.2704.63, allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted PDF document.
http://googlechromereleases.blogspot.com/2016/05/stable-channel-update_25.html
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00062.html
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00063.html
http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00005.html
https://access.redhat.com/errata/RHSA-2016:1190
https://codereview.chromium.org/2001663002
https://security.gentoo.org/glsa/201607-07