The ucnv_io_getConverterName function in common/ucnv_io.cpp in International Components for Unicode (ICU), as used in Google Chrome before 44.0.2403.89, mishandles converter names with initial x- substrings, which allows remote attackers to cause a denial of service (read of uninitialized memory) or possibly have unspecified other impact via a crafted file.
googlechromereleases.blogspot.com/2015/07/stable-channel-update_21.html
lists.opensuse.org/opensuse-security-announce/2015-07/msg00038.html
rhn.redhat.com/errata/RHSA-2015-1499.html
www.debian.org/security/2015/dsa-3315
www.debian.org/security/2015/dsa-3360
www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
www.securityfocus.com/bid/75973
www.securitytracker.com/id/1033031
www.ubuntu.com/usn/USN-2740-1
chromium.googlesource.com/chromium/deps/icu/+/f1ad7f9ba957571dc692ea3e187612c685615e19
code.google.com/p/chromium/issues/detail?id=444573
codereview.chromium.org/1157143002/
security.gentoo.org/glsa/201603-09