fix for CVE-2023-38559 (#2225380)

ghostscript-10.01.2-CVE-2023-38559.patch

@@ -0,0 +1,27 @@
+From d81b82c70bc1fb9991bb95f1201abb5dea55f57f Mon Sep 17 00:00:00 2001
+From: Chris Liddell <chris.liddell@artifex.com>
+Date: Mon, 17 Jul 2023 14:06:37 +0100
+Subject: [PATCH] Bug 706897: Copy pcx buffer overrun fix from
+ devices/gdevpcx.c
+
+Bounds check the buffer, before dereferencing the pointer.
+---
+ base/gdevdevn.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/base/gdevdevn.c b/base/gdevdevn.c
+index 7b14d9c71..6351fb77a 100644
+--- a/base/gdevdevn.c
++++ b/base/gdevdevn.c
+@@ -1983,7 +1983,7 @@ devn_pcx_write_rle(const byte * from, const byte * end, int step, gp_file * file
+         byte data = *from;
+ 
+         from += step;
+-        if (data != *from || from == end) {
++        if (from >= end || data != *from) {
+             if (data >= 0xc0)
+                 gp_fputc(0xc1, file);
+         } else {
+-- 
+2.41.0
+

ghostscript.spec

@@ -45,7 +45,7 @@
 Name:             ghostscript
 Summary:          Interpreter for PostScript language & PDF
 Version:          10.01.2
-Release:          2%{?dist}
+Release:          3%{?dist}
 
 License:          AGPL-3.0-or-later
 
@@ -108,6 +108,7 @@ BuildRequires:    make
 
 Patch001: ghostscript-10.01.0-pdfwrite-Substituted-TTF-CIDFont-CID-hand.patch
 Patch002: ghostscript-10.01.0-convert-defaultpage-to-lowercase.patch
+Patch003: ghostscript-10.01.2-CVE-2023-38559.patch
 
 
 # Downstream patches -- these should be always included when doing rebase:
@@ -422,6 +423,9 @@ done
 # =============================================================================
 
 %changelog
+* Mon Aug 07 2023 Richard Lescak <rlescak@redhat.com> - 10.01.2-3
+- fix for CVE-2023-38559 (#2225380)
+
 * Wed Jul 19 2023 Fedora Release Engineering <releng@fedoraproject.org> - 10.01.2-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild