The NHN Japan NAVER LINE application before 2.5.5 for Android does not properly handle implicit intents, which allows remote attackers to obtain sensitive message information via a crafted application.
The LINE PLAY (aka jp.naver.lineplay.android) application 2.3.1.1 for Android does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.