In WebKitGTK through 2.36.0 (and WPE WebKit), there is a heap-based buffer overflow in WebCore::TextureMapperLayer::setContentsLayer in WebCore/platform/graphics/texmap/TextureMapperLayer.cpp.
Created gnucash tracking bugs for this issue:
Affects: epel-all [bug 2082549]
Created pywebkitgtk tracking bugs for this issue:
Affects: epel-all [bug 2082550]
Created webkit2gtk3 tracking bugs for this issue:
Affects: fedora-all [bug 2082551]
*** Bug 2082544 has been marked as a duplicate of this bug. ***