1diff --git a/third_party/libtiff/tif_read.c b/third_party/libtiff/tif_read.c 2index 5cb419bd4..548b1f5ea 100644 3--- a/third_party/libtiff/tif_read.c 4+++ b/third_party/libtiff/tif_read.c 5@@ -936,6 +936,9 @@ TIFFReadBufferSetup(TIFF* tif, void* bp, tmsize_t size) 6 return (0); 7 } 8 tif->tif_rawdata = (uint8*) _TIFFmalloc(tif->tif_rawdatasize); 9+ if (tif->tif_rawdata) 10+ memset(tif->tif_rawdata, 0, tif->tif_rawdatasize); 11+ 12 tif->tif_flags |= TIFF_MYBUFFER; 13 } 14 if (tif->tif_rawdata == NULL) { 15