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| author | Michael Niedermayer <michael@niedermayer.cc> | 2021-09-19 22:35:36 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-10-06 12:06:15 +0200 |
| commit | 512a132e4c0747521561eba56b1dc299eb8cae48 (patch) | |
| tree | bc2a032498fb7b3828b15b55ad71eeadac6d2a53 | |
| parent | 448e9ce5e55b370de7217d45da30c597626f523e (diff) | |
| download | ffmpeg-512a132e4c0747521561eba56b1dc299eb8cae48.tar.gz | |
avcodec/cbs_h265_syntax_template: Limit sps_num_palette_predictor_initializer_minus1 to 127
Fixes: index 128 out of bounds for type 'uint16_t [128]'
Fixes: 38651/clusterfuzz-testcase-minimized-ffmpeg_BSF_HEVC_METADATA_fuzzer-6296416058736640
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 85413a5ae6948a1d6e4e947a4fca984b8c686016)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -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 52a81a4019..ce9e9494b2 100644 --- a/libavcodec/cbs_h265_syntax_template.c +++ b/libavcodec/cbs_h265_syntax_template.c @@ -668,7 +668,7 @@ static int FUNC(sps_scc_extension)(CodedBitstreamContext *ctx, RWContext *rw, flag(sps_palette_predictor_initializer_present_flag); if (current->sps_palette_predictor_initializer_present_flag) { - ue(sps_num_palette_predictor_initializer_minus1, 0, 128); + ue(sps_num_palette_predictor_initializer_minus1, 0, 127); for (comp = 0; comp < (current->chroma_format_idc ? 3 : 1); comp++) { int bit_depth = comp == 0 ? current->bit_depth_luma_minus8 + 8 : current->bit_depth_chroma_minus8 + 8; |