Use-after-free vulnerability in the Element::detach function in core/dom/Element.cpp in the DOM implementation in Blink, as used in Google Chrome before 40.0.2214.91, allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors involving pending updates of detached elements.

Use-after-free vulnerability in the matroska_read_seek function in libavformat/matroskadec.c in FFmpeg before 2.5.1, as used in Google Chrome before 40.0.2214.91, allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted Matroska file that triggers improper maintenance of tracks data.

Use-after-free vulnerability in the DOM implementation in Blink, as used in Google Chrome before 40.0.2214.91, allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors related to unexpected absence of document data structures.

Use-after-free vulnerability in browser/speech/tts_message_filter.cc in the Speech implementation in Google Chrome before 40.0.2214.91 allows remote attackers to cause a denial of service or possibly have unspecified other impact via vectors involving utterances from a closed tab.

Use-after-free vulnerability in the ZoomBubbleView::Close function in browser/ui/views/location_bar/zoom_bubble_view.cc in the Views implementation in Google Chrome before 40.0.2214.91 allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted document that triggers improper maintenance of a zoom bubble.

Multiple off-by-one errors in libavcodec/vorbisdec.c in FFmpeg before 2.4.2, as used in Google Chrome before 40.0.2214.91, allow remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via crafted Vorbis I data.

The Fonts implementation in Google Chrome before 40.0.2214.91 allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via unknown vectors.

The collator implementation in i18n/ucol.cpp in International Components for Unicode (ICU) 52 through SVN revision 293126, as used in Google Chrome before 40.0.2214.91, does not initialize memory for a data structure, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted character sequence.

Google Chrome before 40.0.2214.91, when the Harmony proxy in Google V8 is enabled, allows remote attackers to bypass the Same Origin Policy via crafted JavaScript code with Proxy.create and console.log calls, related to HTTP responses that lack an “X-Content-Type-Options: nosniff” header.

The SelectionOwner::ProcessTarget function in ui/base/x/selection_owner.cc in the UI implementation in Google Chrome before 40.0.2214.91 uses an incorrect data type for a certain length value, which allows remote attackers to cause a denial of service (out-of-bounds read) via crafted X11 data.