case OPCODE_INIT_VIDEO_BUFFERS:
av_dlog(NULL, "initialize video buffers\n");
- if ((opcode_version > 2) || (opcode_size > 8)) {
+ if ((opcode_version > 2) || (opcode_size > 8) || opcode_size < 4) {
av_dlog(NULL, "bad init_video_buffers opcode\n");
chunk_type = CHUNK_BAD;
break;