1 files changed, 33 insertions, 0 deletions

diff --git a/meta/recipes-graphics/freetype/freetype/CVE-2022-27404.patch b/meta/recipes-graphics/freetype/freetype/CVE-2022-27404.patch
new file mode 100644
index 0000000000..e66400ddb1
--- /dev/null
+++ b/meta/recipes-graphics/freetype/freetype/CVE-2022-27404.patch
@@ -0,0 +1,33 @@
+From 53dfdcd8198d2b3201a23c4bad9190519ba918db Mon Sep 17 00:00:00 2001
+From: Werner Lemberg <wl@gnu.org>
+Date: Thu, 17 Mar 2022 19:24:16 +0100
+Subject: [PATCH] [sfnt] Avoid invalid face index.
+
+Fixes #1138.
+
+* src/sfnt/sfobjs.c (sfnt_init_face), src/sfnt/sfwoff2.c (woff2_open_font):
+Check `face_index` before decrementing.
+
+CVE: CVE-2022-27404
+Upstream-Status: Backport [https://gitlab.freedesktop.org/freetype/freetype/-/commit/53dfdcd8198d2b3201a23c4bad9190519ba918db.patch]
+Comment: Removed second hunk as sfwoff2.c file is not part of current v2.10.1 code
+Signed-off-by: Ranjitsinh Rathod <ranjitsinh.rathod@kpit.com>
+---
+ src/sfnt/sfobjs.c  | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/sfnt/sfobjs.c b/src/sfnt/sfobjs.c
+index f9d4d3858..9771c35df 100644
+--- a/src/sfnt/sfobjs.c
++++ b/src/sfnt/sfobjs.c
+@@ -566,7 +566,7 @@
+     face_index = FT_ABS( face_instance_index ) & 0xFFFF;
+
+     /* value -(N+1) requests information on index N */
+-    if ( face_instance_index < 0 )
++    if ( face_instance_index < 0 && face_index > 0 )
+       face_index--;
+
+     if ( face_index >= face->ttc_header.count )
+-- 
+GitLab