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| author | James Almer <jamrial@gmail.com> | 2018-07-23 13:12:43 -0300 |
|---|---|---|
| committer | James Almer <jamrial@gmail.com> | 2018-08-02 12:41:53 -0300 |
| commit | 4e937b1a60e239335df7623af5eeaa8dd534ee0b (patch) | |
| tree | 6ba7fa29f958ea00be8db5fe5bc363b08089ac89 | |
| parent | e45ed15594a2553056a577177591fbe55694af44 (diff) | |
| download | ffmpeg-4e937b1a60e239335df7623af5eeaa8dd534ee0b.tar.gz | |
avcodec/av1_parse: check for OBU header overread
Signed-off-by: James Almer <jamrial@gmail.com>
| -rw-r--r-- | libavcodec/av1_parse.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/av1_parse.h b/libavcodec/av1_parse.h index 84fc71c925..3a4151491a 100644 --- a/libavcodec/av1_parse.h +++ b/libavcodec/av1_parse.h @@ -118,6 +118,10 @@ static inline int parse_obu_header(const uint8_t *buf, int buf_size, *obu_size = has_size_flag ? leb128(&gb) : buf_size - 1 - extension_flag; + + if (get_bits_left(&gb) < 0) + return AVERROR_INVALIDDATA; + *start_pos = get_bits_count(&gb) / 8; return 0; |