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| author | Anton Khirnov <anton@khirnov.net> | 2013-04-09 20:33:25 +0200 |
|---|---|---|
| committer | Anton Khirnov <anton@khirnov.net> | 2013-04-17 11:01:52 +0200 |
| commit | 01d376f598fe95478036f5d1e3e5e14ffe32d4bf (patch) | |
| tree | c4ac306f3a04d7ffee15181bed1c2a0a946d6df9 /libavcodec | |
| parent | bac8d38c0a716c8bdfdecf0ae545015c68f5df36 (diff) | |
| download | ffmpeg-01d376f598fe95478036f5d1e3e5e14ffe32d4bf.tar.gz | |
rv10: check that extradata is large enough
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC:libav-stable@libav.org
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/rv10.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/rv10.c b/libavcodec/rv10.c index 789847da82..e4003a3ffb 100644 --- a/libavcodec/rv10.c +++ b/libavcodec/rv10.c @@ -346,6 +346,11 @@ static int rv20_decode_picture_header(RVDecContext *rv) f = get_bits(&s->gb, rpr_bits); if (f) { + if (s->avctx->extradata_size < 8 + 2 * f) { + av_log(s->avctx, AV_LOG_ERROR, "Extradata too small.\n"); + return AVERROR_INVALIDDATA; + } + new_w = 4 * ((uint8_t*)s->avctx->extradata)[6 + 2 * f]; new_h = 4 * ((uint8_t*)s->avctx->extradata)[7 + 2 * f]; } else { |