From: Changqing Li <[email protected]> Signed-off-by: Changqing Li <[email protected]> --- .../gdk-pixbuf/CVE-2021-20240.patch | 40 +++++++++++++++++++ .../gdk-pixbuf/gdk-pixbuf_2.40.0.bb | 1 + 2 files changed, 41 insertions(+) create mode 100644 meta/recipes-gnome/gdk-pixbuf/gdk-pixbuf/CVE-2021-20240.patch
diff --git a/meta/recipes-gnome/gdk-pixbuf/gdk-pixbuf/CVE-2021-20240.patch b/meta/recipes-gnome/gdk-pixbuf/gdk-pixbuf/CVE-2021-20240.patch new file mode 100644 index 0000000000..fe594b24bb --- /dev/null +++ b/meta/recipes-gnome/gdk-pixbuf/gdk-pixbuf/CVE-2021-20240.patch @@ -0,0 +1,40 @@ +From 086e8adf4cc352cd11572f96066b001b545f354e Mon Sep 17 00:00:00 2001 +From: Emmanuele Bassi <[email protected]> +Date: Wed, 1 Apr 2020 18:11:55 +0100 +Subject: [PATCH] Check the memset length argument + +Avoid overflows by using the checked multiplication macro for gsize. + +Fixes: #132 + +Upstream-Status: Backported [https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/086e8adf4cc352cd11572f96066b001b545f354e] +CVE: CVE-2021-20240 + +Signed-off-by: Changqing Li <[email protected]> +--- + gdk-pixbuf/io-gif-animation.c | 6 +++++- + 1 file changed, 5 insertions(+), 1 deletion(-) + +diff --git a/gdk-pixbuf/io-gif-animation.c b/gdk-pixbuf/io-gif-animation.c +index c9db3c66e..49674fd2e 100644 +--- a/gdk-pixbuf/io-gif-animation.c ++++ b/gdk-pixbuf/io-gif-animation.c +@@ -412,11 +412,15 @@ gdk_pixbuf_gif_anim_iter_get_pixbuf (GdkPixbufAnimationIter *anim_iter) + + /* If no rendered frame, render the first frame */ + if (anim->last_frame == NULL) { ++ gsize len = 0; + if (anim->last_frame_data == NULL) + anim->last_frame_data = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, anim->width, anim->height); + if (anim->last_frame_data == NULL) + return NULL; +- memset (gdk_pixbuf_get_pixels (anim->last_frame_data), 0, gdk_pixbuf_get_rowstride (anim->last_frame_data) * anim->height); ++ if (g_size_checked_mul (&len, gdk_pixbuf_get_rowstride (anim->last_frame_data), anim->height)) ++ memset (gdk_pixbuf_get_pixels (anim->last_frame_data), 0, len); ++ else ++ return NULL; + composite_frame (anim, g_list_nth_data (anim->frames, 0)); + } + +-- +GitLab diff --git a/meta/recipes-gnome/gdk-pixbuf/gdk-pixbuf_2.40.0.bb b/meta/recipes-gnome/gdk-pixbuf/gdk-pixbuf_2.40.0.bb index 226e1c7b89..f01da32e71 100644 --- a/meta/recipes-gnome/gdk-pixbuf/gdk-pixbuf_2.40.0.bb +++ b/meta/recipes-gnome/gdk-pixbuf/gdk-pixbuf_2.40.0.bb @@ -26,6 +26,7 @@ SRC_URI = "${GNOME_MIRROR}/${BPN}/${MAJ_VER}/${BPN}-${PV}.tar.xz \ file://0006-Build-thumbnailer-and-tests-also-in-cross-builds.patch \ file://missing-test-data.patch \ file://CVE-2020-29385.patch \ + file://CVE-2021-20240.patch \ " SRC_URI_append_class-target = " \ -- 2.17.1
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