From: Michael R Sweet <msweet@msweet.org>
Date: Mon, 13 Apr 2026 15:55:37 +0000 (-0400)
Subject: Fix rastertoepson allocation bug in unused driver code (Issue #1537)
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=80c8f478d5a353d61c330d4ff6e77c0ef9eaa7cf;p=thirdparty%2Fcups.git

Fix rastertoepson allocation bug in unused driver code (Issue #1537)
---

diff --git a/CHANGES.md b/CHANGES.md
index b15d9739ec..b0ab9d2a06 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -165,6 +165,7 @@ v2.5b1 - YYYY-MM-DD
 - Fixed missing write check in `cupsFileOpen/Fd` (Issue #1360)
 - Fixed error recovery when scanning for PPDs in `cups-driverd` (Issue #1416)
 - Fixed allowed values for directive `FilterNice`
+- Fixed an allocation bug in the `rastertoepson` filter (Issue #1537)
 - Removed hash support for SHA2-512-224 and SHA2-512-256.
 - Removed `mantohtml` script for generating html pages (use
   `https://www.msweet.org/mantohtml/`)
diff --git a/filter/rastertoepson.c b/filter/rastertoepson.c
index eb7e9e550a..5538e7b329 100644
--- a/filter/rastertoepson.c
+++ b/filter/rastertoepson.c
@@ -298,7 +298,7 @@ StartPage(
 
   if (header->cupsCompression || DotBytes)
   {
-    if ((CompBuffer = calloc(2, header->cupsWidth + 1)) == NULL)
+    if ((CompBuffer = calloc(2, header->cupsBytesPerLine + 1)) == NULL)
     {
       fputs("ERROR: Unable to allocate memory\n", stderr);
       exit(1);