Fix for CVE-2024-47175

print/cups/patches/patch-scheduler_ipp_c

@@ -1,6 +1,8 @@
 Increase timeout for the PPD file to be copied so that it doesn't fail
 on low-end configurations.
 
+Last chunk: fix for CVE-2024-47175.
+
 Index: scheduler/ipp.c
 --- scheduler/ipp.c.orig
 +++ scheduler/ipp.c
@@ -22,3 +24,17 @@ Index: scheduler/ipp.c
      timeout.tv_usec = 0;
  
      if ((i = select(maxfd, &input, NULL, NULL, &timeout)) < 0)
+@@ -5415,6 +5415,13 @@ create_local_bg_thread(
+       }
+       ippDelete(response2);
+     }
++  }
++
++  // Validate response from printer...
++  if (!ippValidateAttributes(response))
++  {
++    send_ipp_status(con, IPP_STATUS_ERROR_DEVICE, _("Printer returned invalid data: %s"), cupsLastErrorString());
++    goto finish_response;
+   }
+ 
+   // TODO: Grab printer icon file...