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path: root/packages/fetchmail/fetchmail-6.3.8/CVE-2007-4565.patch
blob: d0926848c2f8d774258b6b31a3463c54a16cd8b0 (plain)
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--- fetchmail-6.3.8-orig/sink.c
+++ fetchmail-6.3.8/sink.c
@@ -262,7 +262,7 @@
     const char *md1 = "MAILER-DAEMON", *md2 = "MAILER-DAEMON@";
 
     /* don't bounce in reply to undeliverable bounces */
-    if (!msg->return_path[0] ||
+    if (!msg || !msg->return_path[0] ||
 	strcmp(msg->return_path, "<>") == 0 ||
 	strcasecmp(msg->return_path, md1) == 0 ||
 	strncasecmp(msg->return_path, md2, strlen(md2)) == 0)