fig2dev: apply patch for CVE-2021-3561

(cherry picked from commit 57aff6b0ae29df302511c60d979dfe8349bd8a92)

pkgs/applications/graphics/fig2dev/default.nix

@@ -1,6 +1,7 @@
 { lib
 , stdenv
 , fetchurl
+, fetchpatch
 , ghostscript
 , libpng
 , makeWrapper
@@ -20,6 +21,15 @@ stdenv.mkDerivation rec {
     sha256 = "1bm75lf9j54qpbjx8hzp6ixaayp1x9w4v3yxl6vxyw8g5m4sqdk3";
   };
 
+  patches = [
+    (fetchpatch {
+      name = "CVE-2021-3561.patch";
+      # Using Debian patch since it is not possible to download it directly from Sourceforge
+      url = "https://sources.debian.org/data/main/f/fig2dev/1:3.2.8-3/debian/patches/33_sanitize-color.patch";
+      sha256 = "1bppr3li03nj4qjibnddr2f38mpk55pcn5z6k98pf00gabq33fgs";
+    })
+  ];
+
   nativeBuildInputs = [ makeWrapper ];
   buildInputs = [ libpng ];