diff options
Diffstat (limited to 'poky/meta/recipes-graphics/freetype/freetype/CVE-2022-27405.patch')
| -rw-r--r-- | poky/meta/recipes-graphics/freetype/freetype/CVE-2022-27405.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/poky/meta/recipes-graphics/freetype/freetype/CVE-2022-27405.patch b/poky/meta/recipes-graphics/freetype/freetype/CVE-2022-27405.patch new file mode 100644 index 0000000000..582a985221 --- /dev/null +++ b/poky/meta/recipes-graphics/freetype/freetype/CVE-2022-27405.patch @@ -0,0 +1,41 @@ +From 22a0cccb4d9d002f33c1ba7a4b36812c7d4f46b5 Mon Sep 17 00:00:00 2001 +From: Werner Lemberg <wl@gnu.org> +Date: Sat, 19 Mar 2022 06:40:17 +0100 +Subject: [PATCH] * src/base/ftobjs.c (ft_open_face_internal): Properly guard + `face_index`. + +We must ensure that the cast to `FT_Int` doesn't change the sign. + +Fixes #1139. + +Upstream-Status: Backport +https://gitlab.freedesktop.org/freetype/freetype/-/commit/22a0cccb4d9d002f33c1ba7a4b36812c7d4f46b5 + +Signed-off-by: Davide Gardenal <davide.gardenal@huawei.com> +--- + src/base/ftobjs.c | 9 +++++++++ + 1 file changed, 9 insertions(+) + +diff --git a/src/base/ftobjs.c b/src/base/ftobjs.c +index 2c0f0e6c9..10952a6c6 100644 +--- a/src/base/ftobjs.c ++++ b/src/base/ftobjs.c +@@ -2527,6 +2527,15 @@ + #endif + + ++ /* only use lower 31 bits together with sign bit */ ++ if ( face_index > 0 ) ++ face_index &= 0x7FFFFFFFL; ++ else ++ { ++ face_index &= 0x7FFFFFFFL; ++ face_index = -face_index; ++ } ++ + #ifdef FT_DEBUG_LEVEL_TRACE + FT_TRACE3(( "FT_Open_Face: " )); + if ( face_index < 0 ) +-- +GitLab + |