This issue was addressed with improved iframe sandbox enforcement. This issue is fixed in Safari 13.0.1, iOS 13. Maliciously crafted web content may violate iframe sandboxing policy.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "libjavascriptcoregtk-4.0-18-dbgsym": "2.26.1-0ubuntu0.18.04.1", "libwebkit2gtk-4.0-37-dbgsym": "2.26.1-0ubuntu0.18.04.1", "gir1.2-javascriptcoregtk-4.0": "2.26.1-0ubuntu0.18.04.1", "libjavascriptcoregtk-4.0-18": "2.26.1-0ubuntu0.18.04.1", "libjavascriptcoregtk-4.0-bin-dbgsym": "2.26.1-0ubuntu0.18.04.1", "libwebkit2gtk-4.0-doc": "2.26.1-0ubuntu0.18.04.1", "libjavascriptcoregtk-4.0-bin": "2.26.1-0ubuntu0.18.04.1", "webkit2gtk-driver": "2.26.1-0ubuntu0.18.04.1", "gir1.2-webkit2-4.0": "2.26.1-0ubuntu0.18.04.1", "libwebkit2gtk-4.0-dev": "2.26.1-0ubuntu0.18.04.1", "webkit2gtk-driver-dbgsym": "2.26.1-0ubuntu0.18.04.1", "libjavascriptcoregtk-4.0-dev": "2.26.1-0ubuntu0.18.04.1", "libwebkit2gtk-4.0-37-gtk2": "2.26.1-0ubuntu0.18.04.1", "libwebkit2gtk-4.0-37": "2.26.1-0ubuntu0.18.04.1" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "libjavascriptcoregtk-4.0-18-dbgsym": "2.26.1-3", "libwebkit2gtk-4.0-37-dbgsym": "2.26.1-3", "gir1.2-javascriptcoregtk-4.0": "2.26.1-3", "libjavascriptcoregtk-4.0-18": "2.26.1-3", "libjavascriptcoregtk-4.0-bin-dbgsym": "2.26.1-3", "libwebkit2gtk-4.0-doc": "2.26.1-3", "libjavascriptcoregtk-4.0-bin": "2.26.1-3", "webkit2gtk-driver": "2.26.1-3", "gir1.2-webkit2-4.0": "2.26.1-3", "libwebkit2gtk-4.0-dev": "2.26.1-3", "webkit2gtk-driver-dbgsym": "2.26.1-3", "libjavascriptcoregtk-4.0-dev": "2.26.1-3", "libwebkit2gtk-4.0-37-gtk2": "2.26.1-3", "libwebkit2gtk-4.0-37": "2.26.1-3" } ] }