~ruther/guix-local

ref: e68ec94fdb4c00a950480e845bc3746d6f01ce97 guix-local/gnu/packages/patches/libtiff-CVE-2022-34526.patch -rw-r--r-- 696 bytes
e68ec94f — Christopher Baines gnu: guix-build-coordinator: Update to 0-136.a1c18b1. a month ago 
                                                                                
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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) {