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