diff options
Diffstat (limited to 'meta/recipes-graphics/freetype/freetype/CVE-2022-27405.patch')
-rw-r--r-- | meta/recipes-graphics/freetype/freetype/CVE-2022-27405.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/meta/recipes-graphics/freetype/freetype/CVE-2022-27405.patch b/meta/recipes-graphics/freetype/freetype/CVE-2022-27405.patch new file mode 100644 index 0000000000..08fccd5a3b --- /dev/null +++ b/meta/recipes-graphics/freetype/freetype/CVE-2022-27405.patch | |||
@@ -0,0 +1,38 @@ | |||
1 | From 22a0cccb4d9d002f33c1ba7a4b36812c7d4f46b5 Mon Sep 17 00:00:00 2001 | ||
2 | From: Werner Lemberg <wl@gnu.org> | ||
3 | Date: Sat, 19 Mar 2022 06:40:17 +0100 | ||
4 | Subject: [PATCH] * src/base/ftobjs.c (ft_open_face_internal): Properly guard | ||
5 | `face_index`. | ||
6 | We must ensure that the cast to `FT_Int` doesn't change the sign. | ||
7 | Fixes #1139. | ||
8 | |||
9 | CVE: CVE-2022-27405 | ||
10 | Upstream-Status: Backport [https://gitlab.freedesktop.org/freetype/freetype/-/commit/22a0cccb4d9d002f33c1ba7a4b36812c7d4f46b5] | ||
11 | Comment: No Change in any hunk | ||
12 | Signed-off-by: Ranjitsinh Rathod <ranjitsinh.rathod@kpit.com> | ||
13 | --- | ||
14 | src/base/ftobjs.c | 9 +++++++++ | ||
15 | 1 file changed, 9 insertions(+) | ||
16 | |||
17 | diff --git a/src/base/ftobjs.c b/src/base/ftobjs.c | ||
18 | index 2c0f0e6c9..10952a6c6 100644 | ||
19 | --- a/src/base/ftobjs.c | ||
20 | +++ b/src/base/ftobjs.c | ||
21 | @@ -2527,6 +2527,15 @@ | ||
22 | #endif | ||
23 | |||
24 | |||
25 | + /* only use lower 31 bits together with sign bit */ | ||
26 | + if ( face_index > 0 ) | ||
27 | + face_index &= 0x7FFFFFFFL; | ||
28 | + else | ||
29 | + { | ||
30 | + face_index &= 0x7FFFFFFFL; | ||
31 | + face_index = -face_index; | ||
32 | + } | ||
33 | + | ||
34 | #ifdef FT_DEBUG_LEVEL_TRACE | ||
35 | FT_TRACE3(( "FT_Open_Face: " )); | ||
36 | if ( face_index < 0 ) | ||
37 | -- | ||
38 | GitLab | ||