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| author | Michael Niedermayer <michaelni@gmx.at> | 2015-05-12 19:28:15 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2015-06-01 23:25:20 +0200 |
| commit | f30ab69b38324d156f0511c2c59a4f0d232c2b88 (patch) | |
| tree | a3e4214fcce5a06abbb4666273f235fc56e7c07c | |
| parent | ce3bb011197dfa6d3b8d8a65b7cc6a8f079e82ac (diff) | |
| download | ffmpeg-f30ab69b38324d156f0511c2c59a4f0d232c2b88.tar.gz | |
avformat/hevc: Check num_negative_pics and num_positive_pics
Fixes CID1238994
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit b62b3292d8e25d3240e462c1b1cd8ac69195c46b)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavformat/hevc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavformat/hevc.c b/libavformat/hevc.c index 8ef3c1f986..c92e9eb118 100644 --- a/libavformat/hevc.c +++ b/libavformat/hevc.c @@ -462,6 +462,9 @@ static int parse_rps(GetBitContext *gb, unsigned int rps_idx, unsigned int num_negative_pics = get_ue_golomb_long(gb); unsigned int num_positive_pics = get_ue_golomb_long(gb); + if ((num_positive_pics + (uint64_t)num_negative_pics) * 2 > get_bits_left(gb)) + return AVERROR_INVALIDDATA; + num_delta_pocs[rps_idx] = num_negative_pics + num_positive_pics; for (i = 0; i < num_negative_pics; i++) { |