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646a5c1cbf
a/pkgtools-15.0-noarch-13.txz: Rebuilt. installpkg: default line length for --terselength is the number of columns. removepkg: added --terse mode. upgradepkg: default line length for --terselength is the number of columns. upgradepkg: accept -option in addition to --option. ap/vim-8.1.0026-x86_64-1.txz: Upgraded. d/bison-3.0.5-x86_64-1.txz: Upgraded. e/emacs-26.1-x86_64-1.txz: Upgraded. kde/kopete-4.14.3-x86_64-8.txz: Rebuilt. Recompiled against libidn-1.35. n/conntrack-tools-1.4.5-x86_64-1.txz: Upgraded. n/libnetfilter_conntrack-1.0.7-x86_64-1.txz: Upgraded. n/libnftnl-1.1.0-x86_64-1.txz: Upgraded. n/links-2.16-x86_64-2.txz: Rebuilt. Rebuilt to enable X driver for -g mode. n/lynx-2.8.9dev.19-x86_64-1.txz: Upgraded. n/nftables-0.8.5-x86_64-1.txz: Upgraded. n/p11-kit-0.23.11-x86_64-1.txz: Upgraded. n/ulogd-2.0.7-x86_64-1.txz: Upgraded. n/whois-5.3.1-x86_64-1.txz: Upgraded. xap/network-manager-applet-1.8.12-x86_64-1.txz: Upgraded. xap/vim-gvim-8.1.0026-x86_64-1.txz: Upgraded.
61 lines
1.5 KiB
Diff
61 lines
1.5 KiB
Diff
--- libwmf-0.2.8.4/src/extra/gd/gd.c
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+++ libwmf-0.2.8.4/src/extra/gd/gd.c
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@@ -106,6 +106,18 @@
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gdImagePtr im;
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unsigned long cpa_size;
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+ if (overflow2(sx, sy)) {
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+ return NULL;
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+ }
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+
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+ if (overflow2(sizeof (int *), sy)) {
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+ return NULL;
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+ }
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+
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+ if (overflow2(sizeof(int), sx)) {
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+ return NULL;
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+ }
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+
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im = (gdImage *) gdMalloc (sizeof (gdImage));
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if (im == 0) return 0;
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memset (im, 0, sizeof (gdImage));
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--- libwmf-0.2.8.4/src/extra/gd/gdhelpers.c 2010-12-06 11:47:31.000000000 +0000
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+++ libwmf-0.2.8.4/src/extra/gd/gdhelpers.c 2010-12-06 11:48:04.000000000 +0000
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@@ -2,6 +2,7 @@
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#include "gdhelpers.h"
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#include <stdlib.h>
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#include <string.h>
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+#include <limits.h>
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/* TBB: gd_strtok_r is not portable; provide an implementation */
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@@ -94,3 +95,18 @@
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{
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free (ptr);
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}
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+
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+int overflow2(int a, int b)
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+{
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+ if(a < 0 || b < 0) {
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+ fprintf(stderr, "gd warning: one parameter to a memory allocation multiplication is negative, failing operation gracefully\n");
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+ return 1;
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+ }
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+ if(b == 0)
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+ return 0;
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+ if(a > INT_MAX / b) {
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+ fprintf(stderr, "gd warning: product of memory allocation multiplication would exceed INT_MAX, failing operation gracefully\n");
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+ return 1;
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+ }
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+ return 0;
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+}
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--- libwmf-0.2.8.4/src/extra/gd/gdhelpers.h 2010-12-06 11:47:17.000000000 +0000
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+++ libwmf-0.2.8.4/src/extra/gd/gdhelpers.h 2010-12-06 11:48:36.000000000 +0000
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@@ -15,6 +15,8 @@
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void *gdMalloc(size_t size);
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void *gdRealloc(void *ptr, size_t size);
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+int overflow2(int a, int b);
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+
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#pragma GCC visibility pop
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#endif /* GDHELPERS_H */
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