libsoup: fix CVE-2025-2784

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

(From OE-Core rev: 504d92b01ac9a227e8e57b677f016fdfeccd5666)

Signed-off-by: Changqing Li <changqing.li@windriver.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>

meta/recipes-support/libsoup/libsoup-3.4.4/CVE-2025-2784.patch

@@ -0,0 +1,137 @@
+From dd10ae267e33bcc35646610d7cc1841da77d05e7 Mon Sep 17 00:00:00 2001
+From: Patrick Griffis <pgriffis@igalia.com>
+Date: Wed, 5 Feb 2025 14:39:42 -0600
+Subject: [PATCH] Fix CVE-2025-2784
+
+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]
+
+Signed-off-by: Changqing Li <changqing.li@windriver.com>
+---
+ .../content-sniffer/soup-content-sniffer.c    | 10 ++--
+ tests/meson.build                             |  4 +-
+ tests/sniffing-test.c                         | 48 +++++++++++++++++++
+ 3 files changed, 56 insertions(+), 6 deletions(-)
+
+diff --git a/libsoup/content-sniffer/soup-content-sniffer.c b/libsoup/content-sniffer/soup-content-sniffer.c
+index aeee2e2..a5e18d5 100644
+--- a/libsoup/content-sniffer/soup-content-sniffer.c
++++ b/libsoup/content-sniffer/soup-content-sniffer.c
+@@ -638,8 +638,11 @@ sniff_text_or_binary (SoupContentSniffer *sniffer, GBytes *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') ||
+@@ -659,7 +662,7 @@ sniff_feed_or_html (SoupContentSniffer *sniffer, GBytes *buffer)
+ 	gsize resource_length;
+ 	const char *resource = g_bytes_get_data (buffer, &resource_length);
+ 	resource_length = MIN (512, resource_length);
+-	int pos = 0;
++	gsize pos = 0;
+ 
+ 	if (resource_length < 3)
+ 		goto text_html;
+@@ -669,9 +672,6 @@ sniff_feed_or_html (SoupContentSniffer *sniffer, GBytes *buffer)
+ 		pos = 3;
+ 
+  look_for_tag:
+-	if (pos > resource_length)
+-		goto text_html;
+-
+ 	if (skip_insignificant_space (resource, &pos, resource_length))
+ 		goto text_html;
+ 
+diff --git a/tests/meson.build b/tests/meson.build
+index 7ef7ac5..95b13b8 100644
+--- a/tests/meson.build
++++ b/tests/meson.build
+@@ -95,7 +95,9 @@ tests = [
+   {'name': 'server-auth'},
+   {'name': 'server-mem-limit'},
+   {'name': 'server'},
+-  {'name': 'sniffing'},
++  {'name': 'sniffing',
++    'depends': [test_resources],
++  },
+   {'name': 'ssl',
+    'dependencies': [gnutls_dep],
+    'depends': mock_pkcs11_module,
+diff --git a/tests/sniffing-test.c b/tests/sniffing-test.c
+index 6116719..7857732 100644
+--- a/tests/sniffing-test.c
++++ b/tests/sniffing-test.c
+@@ -342,6 +342,52 @@ test_disabled (gconstpointer data)
+ 	g_uri_unref (uri);
+ }
+ 
++static const gsize MARKUP_LENGTH = strlen ("<!--") + strlen ("-->");
++
++static void
++do_skip_whitespace_test (void)
++{
++        SoupContentSniffer *sniffer = soup_content_sniffer_new ();
++        SoupMessage *msg = soup_message_new (SOUP_METHOD_GET, "http://example.org");
++        const char *test_cases[] = {
++                "",
++                "<rdf:RDF",
++                "<rdf:RDFxmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\"",
++                "<rdf:RDFxmlns=\"http://purl.org/rss/1.0/\"",
++        };
++
++        soup_message_headers_set_content_type (soup_message_get_response_headers (msg), "text/html", NULL);
++
++        for (guint i = 0; i < G_N_ELEMENTS (test_cases); i++) {
++                const char *trailing_data = test_cases[i];
++                gsize leading_zeros = 512 - MARKUP_LENGTH - strlen (trailing_data);
++                gsize testsize = MARKUP_LENGTH + leading_zeros + strlen (trailing_data);
++                guint8 *data = g_malloc0 (testsize);
++                guint8 *p = data;
++                char *content_type;
++                GBytes *buffer;
++
++                // Format of <!--[0x00 * $leading_zeros]-->$trailing_data
++                memcpy (p, "<!--", strlen ("<!--"));
++                p += strlen ("<!--");
++                p += leading_zeros;
++                memcpy (p, "-->", strlen ("-->"));
++                p += strlen ("-->");
++                if (strlen (trailing_data))
++                        memcpy (p, trailing_data, strlen (trailing_data));
++                // Purposefully not NUL terminated.                
++
++                buffer = g_bytes_new_take (g_steal_pointer (&data), testsize);
++                content_type = soup_content_sniffer_sniff (sniffer, msg, buffer, NULL);
++
++                g_free (content_type);
++                g_bytes_unref (buffer);
++        }
++
++        g_object_unref (msg);
++        g_object_unref (sniffer);
++}
++
+ int
+ main (int argc, char **argv)
+ {
+@@ -517,6 +563,8 @@ main (int argc, char **argv)
+ 			      "/text_or_binary/home.gif",
+ 			      test_disabled);
+ 
++	g_test_add_func ("/sniffing/whitespace", do_skip_whitespace_test);
++
+ 	ret = g_test_run ();
+ 
+ 	g_uri_unref (base_uri);
+-- 
+2.34.1
+

meta/recipes-support/libsoup/libsoup_3.4.4.bb

@@ -43,6 +43,7 @@ SRC_URI = "${GNOME_MIRROR}/libsoup/${SHRT_VER}/libsoup-${PV}.tar.xz \
            file://CVE-2025-32050.patch \
            file://CVE-2025-46421.patch \
            file://CVE-2025-4948.patch \
+           file://CVE-2025-2784.patch \
 "
 SRC_URI[sha256sum] = "291c67725f36ed90ea43efff25064b69c5a2d1981488477c05c481a3b4b0c5aa"