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libsoup-2.4: fix CVE-2025-4948

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Refer:
http://gitlab.gnome.org/GNOME/libsoup/-/issues/449

Signed-off-by: Changqing Li <changqing.li@windriver.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
This commit is contained in:
Changqing Li 2025-06-13 14:54:39 +08:00 committed by Khem Raj
parent ea6292e9d6
commit 63e3fe6083
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2 changed files with 39 additions and 0 deletions
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38
meta-oe/recipes-support/libsoup/libsoup-2.4/CVE-2025-4948.patch Normal file
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@ -0,0 +1,38 @@
From dfdc9b3cc73e6fe88cc12792ba00e14642572339 Mon Sep 17 00:00:00 2001
From: Milan Crha <mcrha@redhat.com>
Date: Thu, 15 May 2025 17:49:11 +0200
Subject: [PATCH] soup-multipart: Verify boundary limits for multipart body
It could happen that the boundary started at a place which resulted into
a negative number, which in an unsigned integer is a very large value.
Check the body size is not a negative value before setting it.
Closes https://gitlab.gnome.org/GNOME/libsoup/-/issues/449
Part-of: <https://gitlab.gnome.org/GNOME/libsoup/-/merge_requests/463>
CVE: CVE-2025-4948
Upstream-Status: Backport
[https://gitlab.gnome.org/GNOME/libsoup/-/merge_requests/463/diffs?commit_id=f2f28afe0b3b2b3009ab67d6874457ec6bac70c0]
Signed-off-by: Changqing Li <changqing.li@windriver.com>
---
libsoup/soup-multipart.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libsoup/soup-multipart.c b/libsoup/soup-multipart.c
index dd93973..ce2fc10 100644
--- a/libsoup/soup-multipart.c
+++ b/libsoup/soup-multipart.c
@@ -214,7 +214,7 @@ soup_multipart_new_from_message (SoupMessageHeaders *headers,
*/
part_body = soup_buffer_new_subbuffer (flattened,
split - flattened->data,
- end - 2 - split);
+ end - 2 >= split ? end - 2 - split : 0);
g_ptr_array_add (multipart->bodies, part_body);
start = end;
--
2.34.1

1
meta-oe/recipes-support/libsoup/libsoup-2.4_2.74.3.bb
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@ -37,6 +37,7 @@ SRC_URI = "${GNOME_MIRROR}/libsoup/${SHRT_VER}/libsoup-${PV}.tar.xz \
file://CVE-2024-52531-2.patch \
file://CVE-2025-4476.patch \
file://CVE-2025-32907.patch \
file://CVE-2025-4948.patch \
"
SRC_URI[sha256sum] = "e4b77c41cfc4c8c5a035fcdc320c7bc6cfb75ef7c5a034153df1413fa1d92f13"