The WebRTC component in the Signal Private Messenger application through 4.47.7 for Android processes videoconferencing RTP packets before a callee chooses to answer a call, which might make it easier for remote attackers to cause a denial of service or possibly have unspecified other impact via malformed packets. NOTE: the vendor plans to continue this behavior for performance reasons unless a WebRTC design change occurs
https://twitter.com/moxie/status/1180226374851710976
https://news.ycombinator.com/item?id=21161432
https://bugs.chromium.org/p/project-zero/issues/detail?id=1936