diff -pur libwmf-0.2.8.4/src/extra/gd/gd.c libwmf-0.2.8.4-fix/src/extra/gd/gd.c --- libwmf-0.2.8.4/src/extra/gd/gd.c 2005-07-27 22:35:05.000000000 +0200 +++ libwmf-0.2.8.4-fix/src/extra/gd/gd.c 2006-06-30 09:23:28.000000000 +0200 @@ -1866,6 +1866,12 @@ gdImageCopyResized (gdImagePtr dst, gdIm int *sty; /* We only need to use floating point to determine the correct stretch vector for one line's worth. */ + if (overflow2(sizeof (int), srcW)) { + return; + } + if (overflow2(sizeof (int), srcH)) { + return; + } double accum; stx = (int *) gdMalloc (sizeof (int) * srcW); sty = (int *) gdMalloc (sizeof (int) * srcH); @@ -2275,6 +2281,9 @@ gdImageFilledPolygon (gdImagePtr im, gdP } if (!im->polyAllocated) { + if (overflow2(sizeof (int), n)) { + return; + } im->polyInts = (int *) gdMalloc (sizeof (int) * n); im->polyAllocated = n; } @@ -2369,6 +2378,9 @@ gdImageSetStyle (gdImagePtr im, int *sty { gdFree (im->style); } + if (overflow2(sizeof (int), noOfPixels)) { + return; + } im->style = (int *) gdMalloc (sizeof (int) * noOfPixels); memcpy (im->style, style, sizeof (int) * noOfPixels); diff -pur libwmf-0.2.8.4/src/extra/gd/gd_io_dp.c libwmf-0.2.8.4-fix/src/extra/gd/gd_io_dp.c --- libwmf-0.2.8.4/src/extra/gd/gd_io_dp.c 2001-05-19 15:09:34.000000000 +0200 +++ libwmf-0.2.8.4-fix/src/extra/gd/gd_io_dp.c 2006-06-30 09:21:43.000000000 +0200 @@ -185,6 +185,9 @@ dynamicSeek (struct gdIOCtx *ctx, const bytesNeeded = pos; if (bytesNeeded > dp->realSize) { + if (overflow2(dp->realSize, 2)) { + return FALSE; + } if (!gdReallocDynamic (dp, dp->realSize * 2)) { dp->dataGood = FALSE; @@ -356,6 +359,9 @@ appendDynamic (dynamicPtr * dp, const vo if (bytesNeeded > dp->realSize) { + if (overflow2(dp->realSize, 2)) { + return FALSE; + } if (!gdReallocDynamic (dp, bytesNeeded * 2)) { dp->dataGood = FALSE; Only in libwmf-0.2.8.4/src/extra/gd: gd_security.c.CAN-2004-0990 diff -pur libwmf-0.2.8.4/src/extra/gd/gd_topal.c libwmf-0.2.8.4-fix/src/extra/gd/gd_topal.c --- libwmf-0.2.8.4/src/extra/gd/gd_topal.c 2005-07-27 22:35:06.000000000 +0200 +++ libwmf-0.2.8.4-fix/src/extra/gd/gd_topal.c 2006-06-30 09:19:29.000000000 +0200 @@ -670,6 +670,9 @@ select_colors (gdImagePtr im, my_cquanti int i; /* Allocate workspace for box list */ + if (overflow2(desired_colors, sizeof (box))) { + return; + } boxlist = (boxptr) gdMalloc (desired_colors * sizeof (box)); /* Initialize one box containing whole space */ numboxes = 1; diff -pur libwmf-0.2.8.4/src/extra/gd/wbmp.c libwmf-0.2.8.4-fix/src/extra/gd/wbmp.c --- libwmf-0.2.8.4/src/extra/gd/wbmp.c 2005-07-27 22:35:06.000000000 +0200 +++ libwmf-0.2.8.4-fix/src/extra/gd/wbmp.c 2006-06-30 09:18:53.000000000 +0200 @@ -116,6 +116,14 @@ createwbmp (int width, int height, int c if ((wbmp = (Wbmp *) gdMalloc (sizeof (Wbmp))) == NULL) return (NULL); + if (overflow2(sizeof (int), width)) { + gdFree(wbmp); + return (NULL); + } + if (overflow2(sizeof (int) * width, height)) { + gdFree(wbmp); + return (NULL); + } if ((wbmp->bitmap = (int *) gdMalloc (sizeof (int) * width * height)) == NULL) { gdFree (wbmp); @@ -176,6 +184,13 @@ readwbmp (int (*getin) (void *in), void printf ("W: %d, H: %d\n", wbmp->width, wbmp->height); #endif + if (overflow2(sizeof (int), wbmp->width) || + overflow2(sizeof (int) * wbmp->width, wbmp->height)) + { + gdFree(wbmp); + return (-1); + } + if ((wbmp->bitmap = (int *) gdMalloc (sizeof (int) * wbmp->width * wbmp->height)) == NULL) { gdFree (wbmp);