--- /dev/null
+From 561599c99f987dc32ae110370cfdd7df7975586b Mon Sep 17 00:00:00 2001
+From: Even Rouault <even.rouault@spatialys.com>
+Date: Sat, 5 Feb 2022 20:36:41 +0100
+Subject: [PATCH] TIFFReadDirectory(): avoid calling memcpy() with a null
+ source pointer and size of zero (fixes #362)
+
+Upstream-Status: Backport
+CVE: CVE-2022-0562
+
+---
+ libtiff/tif_dirread.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/libtiff/tif_dirread.c b/libtiff/tif_dirread.c
+index 2bbc4585..23194ced 100644
+--- a/libtiff/tif_dirread.c
++++ b/libtiff/tif_dirread.c
+@@ -4177,7 +4177,8 @@ TIFFReadDirectory(TIFF* tif)
+ goto bad;
+ }
+
+- memcpy(new_sampleinfo, tif->tif_dir.td_sampleinfo, old_extrasamples * sizeof(uint16_t));
++ if (old_extrasamples > 0)
++ memcpy(new_sampleinfo, tif->tif_dir.td_sampleinfo, old_extrasamples * sizeof(uint16_t));
+ _TIFFsetShortArray(&tif->tif_dir.td_sampleinfo, new_sampleinfo, tif->tif_dir.td_extrasamples);
+ _TIFFfree(new_sampleinfo);
+ }
+--
+GitLab
+
--- /dev/null
+From eecb0712f4c3a5b449f70c57988260a667ddbdef Mon Sep 17 00:00:00 2001
+From: Even Rouault <even.rouault@spatialys.com>
+Date: Sun, 6 Feb 2022 13:08:38 +0100
+Subject: [PATCH] TIFFFetchStripThing(): avoid calling memcpy() with a null
+ source pointer and size of zero (fixes #362)
+
+Upstream-Status: Backport
+CVE: CVE-2022-0561
+
+---
+ libtiff/tif_dirread.c | 5 +++--
+ 1 file changed, 3 insertions(+), 2 deletions(-)
+
+diff --git a/libtiff/tif_dirread.c b/libtiff/tif_dirread.c
+index 23194ced..50ebf8ac 100644
+--- a/libtiff/tif_dirread.c
++++ b/libtiff/tif_dirread.c
+@@ -5777,8 +5777,9 @@ TIFFFetchStripThing(TIFF* tif, TIFFDirEntry* dir, uint32_t nstrips, uint64_t** l
+ _TIFFfree(data);
+ return(0);
+ }
+- _TIFFmemcpy(resizeddata,data, (uint32_t)dir->tdir_count * sizeof(uint64_t));
+- _TIFFmemset(resizeddata+(uint32_t)dir->tdir_count, 0, (nstrips - (uint32_t)dir->tdir_count) * sizeof(uint64_t));
++ if( dir->tdir_count )
++ _TIFFmemcpy(resizeddata,data, (uint32_t)dir->tdir_count * sizeof(uint64_t));
++ _TIFFmemset(resizeddata+(uint32_t)dir->tdir_count, 0, (nstrips - (uint32_t)dir->tdir_count) * sizeof(uint64_t));
+ _TIFFfree(data);
+ data=resizeddata;
+ }
+--
+GitLab
+
CVE_PRODUCT = "libtiff"
SRC_URI = "http://download.osgeo.org/libtiff/tiff-${PV}.tar.gz \
- file://0001-tiffset-fix-global-buffer-overflow-for-ASCII-tags-wh.patch"
+ file://0001-tiffset-fix-global-buffer-overflow-for-ASCII-tags-wh.patch \
+ file://561599c99f987dc32ae110370cfdd7df7975586b.patch \
+ file://eecb0712f4c3a5b449f70c57988260a667ddbdef.patch"
SRC_URI[sha256sum] = "0e46e5acb087ce7d1ac53cf4f56a09b221537fc86dfc5daaad1c2e89e1b37ac8"