diff options
Diffstat (limited to 'media-libs/tiff/files/tiff-4.0.7-pdfium-0008-HeapBufferOverflow-ChopUpSingleUncompressedStrip.patch')
| -rw-r--r-- | media-libs/tiff/files/tiff-4.0.7-pdfium-0008-HeapBufferOverflow-ChopUpSingleUncompressedStrip.patch | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/media-libs/tiff/files/tiff-4.0.7-pdfium-0008-HeapBufferOverflow-ChopUpSingleUncompressedStrip.patch b/media-libs/tiff/files/tiff-4.0.7-pdfium-0008-HeapBufferOverflow-ChopUpSingleUncompressedStrip.patch deleted file mode 100644 index 35f59b9bffd9..000000000000 --- a/media-libs/tiff/files/tiff-4.0.7-pdfium-0008-HeapBufferOverflow-ChopUpSingleUncompressedStrip.patch +++ /dev/null @@ -1,26 +0,0 @@ -https://codereview.chromium.org/2405693002 -https://crbug.com/654169 -https://pdfium.googlesource.com/pdfium/+/master/libtiff/ - -Author: stackexploit <stackexploit@gmail.com> -Date: Mon Oct 10 10:58:25 2016 -0700 - -libtiff: Prevent a buffer overflow in function ChopUpSingleUncompressedStrip. - -The patch (https://codereview.chromium.org/2284063002) for Issue 618267 -was insufficient. The integer overflow still could be triggered and could -lead to heap buffer overflow. - -This CL strengthens integer overflow check in function _TIFFCheckRealloc. - ---- a/libtiff/tif_aux.c -+++ b/libtiff/tif_aux.c -@@ -69,7 +69,7 @@ _TIFFCheckRealloc(TIFF* tif, void* buffer, - /* - * XXX: Check for integer overflow. - */ -- if (nmemb && elem_size && !_TIFFIfMultiplicationOverflow(nmemb, elem_size)) -+ if (nmemb > 0 && elem_size > 0 && !_TIFFIfMultiplicationOverflow(nmemb, elem_size)) - cp = _TIFFrealloc(buffer, bytes); - - if (cp == NULL) { |