Design/Logic Flaw

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...

JVN#94816361: YoruFukurou (NightOwl) vulnerable to denial-of-service (DoS)

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. This problem was verified on OS X v10.9 Mavericks. Th...