gnu: libtiff: Fix CVE-2022-34526.

* gnu/packages/patches/libtiff-CVE-2022-34526.patch: New file.
* gnu/local.mk (dist_patch_DATA): Adjust accordingly.
* gnu/packages/image.scm (libtiff)[source](patches): New field.

gnu/local.mk

@@ -1416,6 +1416,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/libtgvoip-disable-sse2.patch 		\
   %D%/packages/patches/libtgvoip-disable-webrtc.patch 		\
   %D%/packages/patches/libtheora-config-guess.patch		\
+  %D%/packages/patches/libtiff-CVE-2022-34526.patch		\
   %D%/packages/patches/libtirpc-CVE-2021-46828.patch		\
   %D%/packages/patches/libtirpc-hurd.patch			\
   %D%/packages/patches/libtommath-fix-linkage.patch		\

gnu/packages/image.scm

@@ -575,6 +575,7 @@ extracting icontainer icon files.")
        (method url-fetch)
        (uri (string-append "https://download.osgeo.org/libtiff/tiff-"
                            version ".tar.xz"))
+       (patches (search-patches "libtiff-CVE-2022-34526.patch"))
        (sha256
         (base32
          "1h8xrcpbyf9id2hw2ms0cmpgx0li8gladjzj82ycgk28018pnc29"))))

gnu/packages/patches/libtiff-CVE-2022-34526.patch

@@ -0,0 +1,22 @@
+Fix CVE-2022-34526:
+
+  https://nvd.nist.gov/vuln/detail/CVE-2022-34526
+  https://gitlab.com/libtiff/libtiff/-/issues/433
+
+Patch taken from upstream source repository:
+
+  https://gitlab.com/libtiff/libtiff/-/commit/275735d0354e39c0ac1dc3c0db2120d6f31d1990
+
+diff --git a/libtiff/tif_dirinfo.c b/libtiff/tif_dirinfo.c
+--- a/libtiff/tif_dirinfo.c
++++ b/libtiff/tif_dirinfo.c
+@@ -1191,6 +1191,9 @@ _TIFFCheckFieldIsValidForCodec(TIFF *tif, ttag_t tag)
+ 	    default:
+ 		return 1;
+ 	}
++	if( !TIFFIsCODECConfigured(tif->tif_dir.td_compression) ) {
++		return 0;
++	}
+ 	/* Check if codec specific tags are allowed for the current
+ 	 * compression scheme (codec) */
+ 	switch (tif->tif_dir.td_compression) {