Range check cupsBytesPerLine in rastertoepson.

Author: michaelrsweet

CHANGES.md

@@ -32,6 +32,7 @@ Changes in CUPS v2.4.17 (YYYY-MM-DD)
 - Fixed a bug when then `ippFindXxx` and `ippSetXxx` functions were mixed.
 - Fixed the mapping of supply type keywords to SNMP names.
 - Fixed a bug in the IPP backend when SNMP was disabled.
+- Fixed a crash bug in the rastertoepson filter.
 
 
 Changes in CUPS v2.4.16 (2025-12-04)

filter/rastertoepson.c

@@ -275,6 +275,12 @@ StartPage(
   else
     NumPlanes = 1;
 
+  if (header->cupsBytesPerLine < NumPlanes)
+  {
+    fputs("ERROR: Bad raster data.\n", stderr);
+    exit(1);
+  }
+
   Feed = 0;				/* No blank lines yet */
 
  /*