diff options
Diffstat (limited to 'meta/recipes-graphics/freetype/freetype/CVE-2022-27404.patch')
| -rw-r--r-- | meta/recipes-graphics/freetype/freetype/CVE-2022-27404.patch | 33 |
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 |