ffmpeg | branch: master | James Almer <jamr...@gmail.com> | Mon Jul 23 13:12:43 2018 -0300| [4e937b1a60e239335df7623af5eeaa8dd534ee0b] | committer: James Almer
avcodec/av1_parse: check for OBU header overread Signed-off-by: James Almer <jamr...@gmail.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4e937b1a60e239335df7623af5eeaa8dd534ee0b --- libavcodec/av1_parse.h | 4 ++++ 1 file changed, 4 insertions(+) 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; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
