The FindStartOffsetOfFileInZipFile function in crazy_linker_zip.cpp in crazy_linker (aka Crazy Linker) in Android 5.x and 6.x, as used in Google Chrome before 47.0.2526.73, improperly searches for an EOCD record, which allows attackers to bypass a signature-validation requirement via a crafted ZIP archive.
https://security.gentoo.org/glsa/201603-09
https://code.google.com/p/chromium/issues/detail?id=537205
https://chromium.googlesource.com/chromium/src.git/+/d9e316238aee59acf665d80b544cf4e1edfd3349
http://www.securitytracker.com/id/1034298
http://www.securityfocus.com/bid/78416
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00017.html
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00016.html
http://googlechromereleases.blogspot.com/2015/12/stable-channel-update.html