The CPDF_DIBSource::CreateDecoder function in core/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp in PDFium, as used in Google Chrome before 51.0.2704.63, mishandles decoder-initialization failure, which allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted PDF document.
googlechromereleases.blogspot.com/2016/05/stable-channel-update_25.html
lists.opensuse.org/opensuse-security-announce/2016-05/msg00062.html
lists.opensuse.org/opensuse-security-announce/2016-05/msg00063.html
lists.opensuse.org/opensuse-security-announce/2016-06/msg00005.html
www.debian.org/security/2016/dsa-3590
www.securityfocus.com/bid/90876
www.securitytracker.com/id/1035981
access.redhat.com/errata/RHSA-2016:1190
codereview.chromium.org/1892143003
crbug.com/603518
security.gentoo.org/glsa/201607-07