The FileSystem API in Google Chrome before 40.0.2214.91 allows remote attackers to bypass the SafeBrowsing for Executable Files protection mechanism by creating a .exe file in a temporary filesystem and then referencing this file with a filesystem:http: URL.
https://security.gentoo.org/glsa/201506-04
https://code.google.com/p/chromium/issues/detail?id=380663
http://www.securitytracker.com/id/1032209
http://www.debian.org/security/2015/dsa-3238
http://rhn.redhat.com/errata/RHSA-2015-0816.html
http://lists.opensuse.org/opensuse-updates/2015-11/msg00024.html
http://lists.opensuse.org/opensuse-updates/2015-04/msg00040.html
http://googlechromereleases.blogspot.com/2015/04/stable-channel-update_14.html