From: Michael R Sweet <msweet@msweet.org>
Date: Sun, 5 Apr 2026 13:46:32 +0000 (-0400)
Subject: Sanity check HWResolution when writing Apple Raster.
X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=9e4c8585d47c7e554f2cb656e81462f053eb1699;p=thirdparty%2Fcups.git

Sanity check HWResolution when writing Apple Raster.
---

diff --git a/cups/raster-stream.c b/cups/raster-stream.c
index 04a9b19c76..3f897d49a1 100644
--- a/cups/raster-stream.c
+++ b/cups/raster-stream.c
@@ -1268,6 +1268,9 @@ _cupsRasterWriteHeader(
 
   if (r->mode == CUPS_RASTER_WRITE_APPLE)
   {
+    if (r->header.HWResolution[0] == 0 || r->header.HWResolution[1] == 0)
+      return (0);
+
     r->rowheight = r->header.HWResolution[0] / r->header.HWResolution[1];
 
     if (r->header.HWResolution[0] != (r->rowheight * r->header.HWResolution[1]))