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SUSE:SLE-12-SP1:GA
tiff3
tiff-3.8.2-CVE-2012-4564.patch
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File tiff-3.8.2-CVE-2012-4564.patch of Package tiff3
Index: tools/ppm2tiff.c =================================================================== RCS file: /cvs/maptools/cvsroot/libtiff/tools/ppm2tiff.c,v --- tools/ppm2tiff.c 10 Apr 2010 19:22:34 -0000 1.16 +++ tools/ppm2tiff.c 31 Oct 2012 06:25:13 -0000 @@ -89,6 +89,7 @@ int c; extern int optind; extern char* optarg; + tsize_t scanline_size; if (argc < 2) { fprintf(stderr, "%s: Too few arguments\n", argv[0]); @@ -237,8 +238,16 @@ } if (TIFFScanlineSize(out) > linebytes) buf = (unsigned char *)_TIFFmalloc(linebytes); - else - buf = (unsigned char *)_TIFFmalloc(TIFFScanlineSize(out)); + else { + scanline_size = TIFFScanlineSize(out); + if (scanline_size != 0) + buf = (unsigned char *)_TIFFmalloc(TIFFScanlineSize(out)); + else { + fprintf(stderr, "%s: scanline size overflow\n",infile); + (void) TIFFClose(out); + exit(-2); + } + } if (resolution > 0) { TIFFSetField(out, TIFFTAG_XRESOLUTION, resolution); TIFFSetField(out, TIFFTAG_YRESOLUTION, resolution);
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