From: Luca Barbato Date: Thu, 9 Oct 2014 18:13:54 +0000 (+0200) Subject: rtsp: Check for command strings without spaces X-Git-Tag: n2.5~28^2~315 X-Git-Url: http://git.videolan.org/?p=ffmpeg.git;a=commitdiff_plain;h=c27328e749ff3be648411765cd17362fee017341 rtsp: Check for command strings without spaces Prevent a NULL-pointer dereference. CC: libav-stable@libav.org --- diff --git a/libavformat/rtspdec.c b/libavformat/rtspdec.c index a14ec579d9..5442b7d251 100644 --- a/libavformat/rtspdec.c +++ b/libavformat/rtspdec.c @@ -360,6 +360,10 @@ static inline int parse_command_line(AVFormatContext *s, const char *line, RTSPState *rt = s->priv_data; const char *linept, *searchlinept; linept = strchr(line, ' '); + + if (!linept) + return AVERROR_INVALIDDATA; + if (linept - line > methodsize - 1) { av_log(s, AV_LOG_ERROR, "Method string too long\n"); return AVERROR(EIO);