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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-07-21 16:38:47 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-07-21 17:57:15 +0200 |
| commit | 45da7a0e8f271b32202424358393aa249a939028 (patch) | |
| tree | 65d12417fa4d84b2c3f52df8de11b5d999ef35be /libavcodec/h264_sei.c | |
| parent | 80c873a87ed07c6dd772dcf6befb4cf0fd98ef7b (diff) | |
| download | ffmpeg-45da7a0e8f271b32202424358393aa249a939028.tar.gz | |
avcodec/ff_h264_decode_sei: Check SEI size
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/h264_sei.c')
| -rw-r--r-- | libavcodec/h264_sei.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/h264_sei.c b/libavcodec/h264_sei.c index 30030805fe..5e4321f112 100644 --- a/libavcodec/h264_sei.c +++ b/libavcodec/h264_sei.c @@ -264,6 +264,11 @@ int ff_h264_decode_sei(H264Context *h){ if(h->avctx->debug&FF_DEBUG_STARTCODE) av_log(h->avctx, AV_LOG_DEBUG, "SEI %d len:%d\n", type, size); + if (size > get_bits_left(&h->gb) / 8) { + av_log(h->avctx, AV_LOG_ERROR, "SEI truncated\n"); + return AVERROR_INVALIDDATA; + } + switch(type){ case SEI_TYPE_PIC_TIMING: // Picture timing SEI if(decode_picture_timing(h) < 0) |