fpdfsdk/src/jsapi/fxjs_v8.cpp in PDFium, as used in Google Chrome before 47.0.2526.73, does not use signatures, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors that leverage "type confusion."
http://googlechromereleases.blogspot.com/2015/12/stable-channel-update.html
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00016.html
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00017.html
http://www.debian.org/security/2015/dsa-3415
http://www.securityfocus.com/bid/78416
http://www.securitytracker.com/id/1034298
https://code.google.com/p/chromium/issues/detail?id=529012
Source: MITRE
Published: 2015-12-06
Updated: 2017-09-14
Type: NVD-CWE-Other
Base Score: 7.5
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 10
Severity: HIGH