gnu: ghostscript: Update to 9.53.3.

* gnu/packages/ghostscript.scm (ghostscript): Update to 9.53.3.
[source]: Remove obsolete patch 'ghostscript-CVE-2020-15900.patch'.
* gnu/packages/patches/ghostscript-CVE-2020-15900.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Remove it.

Signed-off-by: Leo Famulari <leo@famulari.name>

gnu/local.mk

@@ -1061,7 +1061,6 @@ dist_patch_DATA =						\
   %D%/packages/patches/ghc-monad-par-fix-tests.patch		\
   %D%/packages/patches/ghc-pandoc-fix-html-tests.patch		\
   %D%/packages/patches/ghc-pandoc-fix-latex-test.patch		\
-  %D%/packages/patches/ghostscript-CVE-2020-15900.patch		\
   %D%/packages/patches/ghostscript-freetype-compat.patch	\
   %D%/packages/patches/ghostscript-no-header-id.patch		\
   %D%/packages/patches/ghostscript-no-header-uuid.patch		\

gnu/packages/ghostscript.scm

@@ -160,7 +160,7 @@ printing, and psresize, for adjusting page sizes.")
 (define-public ghostscript
   (package
     (name "ghostscript")
-    (version "9.52")
+    (version "9.53.3")
     (source
       (origin
         (method url-fetch)
@@ -170,9 +170,8 @@ printing, and psresize, for adjusting page sizes.")
                             "/ghostscript-" version ".tar.xz"))
         (sha256
          (base32
-          "0z1w42y2jmcpl2m1l3z0sfii6zmvzcwcgzn6bydklia6ig7jli2p"))
+          "0d52w9ajv1rz533119ywgmkzkapp74riwny0d21v0zkcbg45p7ww"))
         (patches (search-patches "ghostscript-freetype-compat.patch"
-                                 "ghostscript-CVE-2020-15900.patch"
                                  "ghostscript-no-header-creationdate.patch"
                                  "ghostscript-no-header-id.patch"
                                  "ghostscript-no-header-uuid.patch"))

gnu/packages/patches/ghostscript-CVE-2020-15900.patch

@@ -1,36 +0,0 @@
-Fix CVE-2020-15900.
-
-https://cve.circl.lu/cve/CVE-2020-15900
-https://artifex.com/security-advisories/CVE-2020-15900
-
-Taken from upstream:
-https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=5d499272b95a6b890a1397e11d20937de000d31b
-
-diff --git a/psi/zstring.c b/psi/zstring.c
---- a/psi/zstring.c
-+++ b/psi/zstring.c
-@@ -142,13 +142,18 @@ search_impl(i_ctx_t *i_ctx_p, bool forward)
-     return 0;
- found:
-     op->tas.type_attrs = op1->tas.type_attrs;
--    op->value.bytes = ptr;
--    r_set_size(op, size);
-+    op->value.bytes = ptr;				/* match */
-+    op->tas.rsize = size;				/* match */
-     push(2);
--    op[-1] = *op1;
--    r_set_size(op - 1, ptr - op[-1].value.bytes);
--    op1->value.bytes = ptr + size;
--    r_set_size(op1, count + (!forward ? (size - 1) : 0));
-+    op[-1] = *op1;					/* pre */
-+    op[-3].value.bytes = ptr + size;			/* post */
-+    if (forward) {
-+        op[-1].tas.rsize = ptr - op[-1].value.bytes;	/* pre */
-+        op[-3].tas.rsize = count;			/* post */
-+    } else {
-+        op[-1].tas.rsize = count;			/* pre */
-+        op[-3].tas.rsize -= count + size;		/* post */
-+    }
-     make_true(op);
-     return 0;
- }