=== modified file 'src/htcp.cc'
--- src/htcp.cc	2010-02-11 23:23:58 +0000
+++ src/htcp.cc	2010-02-12 11:20:16 +0000
@@ -1298,6 +1298,12 @@
         return;
     }
 
+    if (!s->request) {
+        debugs(31, 2, "htcpHandleTstRequest: failed to parse request");
+        htcpFreeSpecifier(s);
+        return;
+    }
+
     if (!htcpAccessCheck(Config.accessList.htcp_clr, s, from))
     {
         debugs(31, 2, "htcpHandleClr: Access denied");