tensorflow/third_party/gif_fix_strtok_r.patch
Penporn Koanantakool 8b330d28a0 Rollforward of PR #32169: Upgrading giflib to fix CVE-2019-15133
Add a patch file to fix giflib's compilation issue on Windows (replace a call to strtok_r with strtok_s).

# CVE-2019-15133

**NVD**: 2019/08/17 - CVSS v2.0 Base Score: 4.3 - CVSS v3.0 Base Score: 6.5
In GIFLIB before 2019-02-16, a malformed GIF file triggers a divide-by-zero exception in the decoder function DGifSlurp in dgif_lib.c if the height field of the ImageSize data structure is equal to zero.

## **References to Advisories, Solutions, and Tools**

Source | Link | Type
---- | ---- | ----
MISC | bugs.chromium.org | Mailing List, Third Party Advisory
UBUNTU | usn.ubuntu.com | Third Party Advisory

PiperOrigin-RevId: 267533902
2019-09-05 23:39:58 -07:00

16 lines
584 B
Diff

diff -r -u ./fixed_gif_font.c ./gif_font.c
--- ./fixed_gif_font.c 2019-09-05 11:05:25.009598262 -0700
+++ ./gif_font.c 2019-09-05 10:52:45.308389085 -0700
@@ -11,6 +11,11 @@
#include "gif_lib.h"
+// Windows doesn't have strtok_r.
+#if defined(WIN32) || defined(_WIN32) || defined(__WIN32) && !defined(__CYGWIN__)
+#define strtok_r strtok_s
+#endif
+
/*****************************************************************************
Ascii 8 by 8 regular font - only first 128 characters are supported.
*****************************************************************************/