libsoup-2.4: fix CVE-2025-2784

Refer:
https://gitlab.gnome.org/GNOME/libsoup/-/issues/422

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>

2 files changed, 57 insertions, 0 deletions

diff --git a/meta-oe/recipes-support/libsoup/libsoup-2.4/CVE-2025-2784.patch b/meta-oe/recipes-support/libsoup/libsoup-2.4/CVE-2025-2784.patch
new file mode 100644
index 0000000000..106f907168
--- /dev/null
+++ b/meta-oe/recipes-support/libsoup/libsoup-2.4/CVE-2025-2784.patch
@@ -0,0 +1,56 @@
+From 2eacbd762332795e00692ddab2515c6da23198d3 Mon Sep 17 00:00:00 2001
+From: Changqing Li <changqing.li@windriver.com>
+Date: Mon, 12 May 2025 14:06:41 +0800
+Subject: [PATCH] sniffer: Add better coverage of skip_insignificant_space()
+
+CVE: CVE-2025-2784
+Upstream-Status: Backport
+[https://gitlab.gnome.org/GNOME/libsoup/-/merge_requests/435/diffs?commit_id=242a10fbb12dbdc12d254bd8fc8669a0ac055304;
+ https://gitlab.gnome.org/GNOME/libsoup/-/merge_requests/442/diffs?commit_id=c415ad0b6771992e66c70edf373566c6e247089d]
+
+Test code is not added since it uses some functions not defined in
+version 2.74. These tests are not used now, so just ignore them.
+
+Signed-off-by: Changqing Li <changqing.li@windriver.com>
+---
+ libsoup/soup-content-sniffer.c |  9 +++----
+ 1 files changed, 3 insertions(+), 4 deletions(-)
+
+diff --git a/libsoup/soup-content-sniffer.c b/libsoup/soup-content-sniffer.c
+index 5f2896e..9554636 100644
+--- a/libsoup/soup-content-sniffer.c
++++ b/libsoup/soup-content-sniffer.c
+@@ -612,8 +612,10 @@ sniff_text_or_binary (SoupContentSniffer *sniffer, SoupBuffer *buffer)
+ }
+ 
+ static gboolean
+-skip_insignificant_space (const char *resource, int *pos, int resource_length)
++skip_insignificant_space (const char *resource, gsize *pos, gsize resource_length)
+ {
++       if (*pos >= resource_length)
++               return TRUE;
+        while ((resource[*pos] == '\x09') ||
+               (resource[*pos] == '\x20') ||
+               (resource[*pos] == '\x0A') ||
+@@ -632,7 +634,7 @@ sniff_feed_or_html (SoupContentSniffer *sniffer, SoupBuffer *buffer)
+ {
+        const char *resource = (const char *)buffer->data;
+        int resource_length = MIN (512, buffer->length);
+-       int pos = 0;
++       gsize pos = 0;
+ 
+        if (resource_length < 3)
+                goto text_html;
+@@ -642,9 +644,6 @@ sniff_feed_or_html (SoupContentSniffer *sniffer, SoupBuffer *buffer)
+                pos = 3;
+ 
+  look_for_tag:
+-       if (pos > resource_length)
+-               goto text_html;
+-
+        if (skip_insignificant_space (resource, &pos, resource_length))
+                goto text_html;
+
+-- 
+2.34.1
+
diff --git a/meta-oe/recipes-support/libsoup/libsoup-2.4_2.74.3.bb b/meta-oe/recipes-support/libsoup/libsoup-2.4_2.74.3.bb
index 03ec818ae5..db0bf1128f 100644
--- a/meta-oe/recipes-support/libsoup/libsoup-2.4_2.74.3.bb
+++ b/meta-oe/recipes-support/libsoup/libsoup-2.4_2.74.3.bb
@@ -20,6 +20,7 @@ SRC_URI = "${GNOME_MIRROR}/libsoup/${SHRT_VER}/libsoup-${PV}.tar.xz \
            file://CVE-2024-52532-2.patch \
            file://CVE-2024-52532-3.patch \
            file://CVE-2025-32053.patch \
+           file://CVE-2025-2784.patch \
 "
 SRC_URI[sha256sum] = "e4b77c41cfc4c8c5a035fcdc320c7bc6cfb75ef7c5a034153df1413fa1d92f13"