ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sun Jun 24 02:43:18 2018 +0200| [74af6ae02100ff05f8a09fde5db4cd06509cdfba] | committer: Michael Niedermayer
avcodec/vp8: Check bitstream input in vp7_fade_frame() before time consuming operation Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=74af6ae02100ff05f8a09fde5db4cd06509cdfba --- libavcodec/vp8.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c index 3adfeac3d9..a06692c476 100644 --- a/libavcodec/vp8.c +++ b/libavcodec/vp8.c @@ -507,6 +507,9 @@ static int vp7_fade_frame(VP8Context *s, VP56RangeCoder *c) int beta = (int8_t) vp8_rac_get_uint(c, 8); int ret; + if (c->end <= c->buffer && c->bits >= 0) + return AVERROR_INVALIDDATA; + if (!s->keyframe && (alpha || beta)) { int width = s->mb_width * 16; int height = s->mb_height * 16; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog