tiff: fix multiple CVEs

Backport fixes for:
* CVE-2023-2908 - Upstream-Status: Backport from https://gitlab.com/libtiff/libtiff/-/commit/9bd48f0dbd64fb94dc2b5b05238fde0bfdd4ff3f
* CVE-2023-3316 - Upstream-Status: Backport from https://gitlab.com/libtiff/libtiff/-/commit/d63de61b1ec3385f6383ef9a1f453e4b8b11d536
* CVE-2023-3618 - Upstream-Status: Backport from https://gitlab.com/libtiff/libtiff/-/commit/881a070194783561fd209b7c789a4e75566f7f37 && https://gitlab.com/libtiff/libtiff/-/commit/b5c7d4c4e03333ac16b5cfb11acaaeaa493334f8

(From OE-Core rev: 4929d08cefac9ae2ebbdf94ccdc51a0f67f28164)

Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>

1 files changed, 33 insertions, 0 deletions

diff --git a/meta/recipes-multimedia/libtiff/files/CVE-2023-2908.patch b/meta/recipes-multimedia/libtiff/files/CVE-2023-2908.patch
new file mode 100644
index 0000000000..62a5e1831c
--- /dev/null
+++ b/meta/recipes-multimedia/libtiff/files/CVE-2023-2908.patch
@@ -0,0 +1,33 @@
+From 8c0859a80444c90b8dfb862a9f16de74e16f0a9e Mon Sep 17 00:00:00 2001
+From: xiaoxiaoafeifei <lliangliang2007@163.com>
+Date: Fri, 21 Apr 2023 13:01:34 +0000
+Subject: [PATCH] countInkNamesString(): fix `UndefinedBehaviorSanitizer`:
+ applying zero offset to null pointer
+
+Upstream-Status: Backport [https://gitlab.com/libtiff/libtiff/-/commit/9bd48f0dbd64fb94dc2b5b05238fde0bfdd4ff3f]
+CVE: CVE-2023-2908
+Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com>
+---
+ libtiff/tif_dir.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/libtiff/tif_dir.c b/libtiff/tif_dir.c
+index 9d8267a..6389b40 100644
+--- a/libtiff/tif_dir.c
++++ b/libtiff/tif_dir.c
+@@ -145,10 +145,10 @@ static uint16
+ countInkNamesString(TIFF *tif, uint32 slen, const char *s)
+ {
+        uint16 i = 0;
+-       const char *ep = s + slen;
+-       const char *cp = s;
+ 
+        if (slen > 0) {
++               const char *ep = s + slen;
++               const char *cp = s;
+                do {
+                        for (; cp < ep && *cp != '\0'; cp++) {}
+                        if (cp >= ep)
+-- 
+2.25.1
+