Description: Buffer overflow in gif2tiff Bug: http://bugzilla.maptools.org/show_bug.cgi?id=2450 Bug-Debian: http://bugs.debian.org/719303 Index: tiff-4.0.3/tools/gif2tiff.c =================================================================== --- tiff-4.0.3.orig/tools/gif2tiff.c 2013-08-22 11:46:11.960846910 -0400 +++ tiff-4.0.3/tools/gif2tiff.c 2013-08-22 11:46:11.956846910 -0400 @@ -333,6 +333,8 @@ int status = 1; datasize = getc(infile); + if (datasize > 12) + return 0; clear = 1 << datasize; eoi = clear + 1; avail = clear + 2;