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diff -Nur gtk+-2.4.9.orig/gdk-pixbuf/io-ico.c gtk+-2.4.9/gdk-pixbuf/io-ico.c
--- gtk+-2.4.9.orig/gdk-pixbuf/io-ico.c 2004-08-25 18:52:18.000000000 +0200
+++ gtk+-2.4.9/gdk-pixbuf/io-ico.c 2004-09-15 00:40:17.000000000 +0200
@@ -210,6 +210,14 @@
State->HeaderSize = 6 + IconCount*16;
+ if (State->HeaderSize < 0) {
+ g_set_error (error,
+ GDK_PIXBUF_ERROR,
+ GDK_PIXBUF_ERROR_CORRUPT_IMAGE,
+ _("Invalid header in icon"));
+ return;
+ }
+
if (State->HeaderSize>State->BytesInHeaderBuf) {
guchar *tmp=g_try_realloc(State->HeaderBuf,State->HeaderSize);
if (!tmp) {
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