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-rw-r--r--gnu/packages/patches/libtiff-CVE-2013-4243.patch39
1 files changed, 39 insertions, 0 deletions
diff --git a/gnu/packages/patches/libtiff-CVE-2013-4243.patch b/gnu/packages/patches/libtiff-CVE-2013-4243.patch
new file mode 100644
index 0000000000..a10884cd89
--- /dev/null
+++ b/gnu/packages/patches/libtiff-CVE-2013-4243.patch
@@ -0,0 +1,39 @@
+Copied from Debian
+
+Index: tiff/tools/gif2tiff.c
+===================================================================
+--- tiff.orig/tools/gif2tiff.c
++++ tiff/tools/gif2tiff.c
+@@ -280,6 +280,10 @@ readgifimage(char* mode)
+ fprintf(stderr, "no colormap present for image\n");
+ return (0);
+ }
++ if (width == 0 || height == 0) {
++ fprintf(stderr, "Invalid value of width or height\n");
++ return(0);
++ }
+ if ((raster = (unsigned char*) _TIFFmalloc(width*height+EXTRAFUDGE)) == NULL) {
+ fprintf(stderr, "not enough memory for image\n");
+ return (0);
+@@ -404,6 +408,10 @@ process(register int code, unsigned char
+ fprintf(stderr, "bad input: code=%d is larger than clear=%d\n",code, clear);
+ return 0;
+ }
++ if (*fill >= raster + width*height) {
++ fprintf(stderr, "raster full before eoi code\n");
++ return 0;
++ }
+ *(*fill)++ = suffix[code];
+ firstchar = oldcode = code;
+ return 1;
+@@ -434,6 +442,10 @@ process(register int code, unsigned char
+ }
+ oldcode = incode;
+ do {
++ if (*fill >= raster + width*height) {
++ fprintf(stderr, "raster full before eoi code\n");
++ return 0;
++ }
+ *(*fill)++ = *--stackp;
+ } while (stackp > stack);
+ return 1;