diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-04-20 23:27:04 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-05-21 09:31:08 +0200 |
| commit | 435fa373d1f5045b17de74934e44863e2fb3071f (patch) | |
| tree | af30da77595ea38d810c74641a8672fc0ed0606e /libavcodec/cbs_h265_syntax_template.c | |
| parent | dbacecd347599aa421be94ad5e16521aa51f7014 (diff) | |
avcodec/cbs_h265_syntax_template: Limit num_long_term_pics more strictly
The limit is based on hevcdec.c
Fixes: 20854/clusterfuzz-testcase-minimized-ffmpeg_BSF_HEVC_METADATA_fuzzer-5160442882424832
Fixes: out of array access
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/cbs_h265_syntax_template.c')
| -rw-r--r-- | libavcodec/cbs_h265_syntax_template.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/cbs_h265_syntax_template.c b/libavcodec/cbs_h265_syntax_template.c index 55da1a0a11..06a8e1cc2a 100644 --- a/libavcodec/cbs_h265_syntax_template.c +++ b/libavcodec/cbs_h265_syntax_template.c @@ -1377,7 +1377,7 @@ static int FUNC(slice_segment_header)(CodedBitstreamContext *ctx, RWContext *rw, infer(num_long_term_sps, 0); idx_size = 0; } - ue(num_long_term_pics, 0, HEVC_MAX_LONG_TERM_REF_PICS); + ue(num_long_term_pics, 0, HEVC_MAX_REFS - current->num_long_term_sps); for (i = 0; i < current->num_long_term_sps + current->num_long_term_pics; i++) { |