Aki-null Yorufukurou 2.84 Denial Of Service Vulnerability
17 Oct. 2016
Summary
YoruFukurou (NightOwl) before 2.85 relies on support for emoji skin-tone modifiers even though this support is missing from the CoreText CTFramesetter API on OS X 10.9, which allows remote attackers to cause a denial of service (application crash) via a crafted emoji character sequence. .
YoruFukurou (NightOwl) is a Twitter client application for OS X. YoruFukurou uses OS X API CTFramesetter to render text contents.
CTFramesetter has a problem in processing a certain emoji character sequence, which may cause YoruFukurou to crash.