glib-2.0: patch CVE-2026-1485

Pick patch from [1] linked from [2].

[1] https://gitlab.gnome.org/GNOME/glib/-/issues/3871
[2] https://gitlab.gnome.org/GNOME/glib/-/merge_requests/4981

(From OE-Core rev: 64c332e99d0487178aab96578008bec9b133533f)

Signed-off-by: Peter Marko <peter.marko@siemens.com>
Signed-off-by: Yoann Congal <yoann.congal@smile.fr>
Signed-off-by: Paul Barker <paul@pbarker.dev>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 45 insertions, 0 deletions

diff --git a/meta/recipes-core/glib-2.0/glib-2.0/CVE-2026-1485.patch b/meta/recipes-core/glib-2.0/glib-2.0/CVE-2026-1485.patch
new file mode 100644
index 0000000000..73c29db999
--- /dev/null
+++ b/meta/recipes-core/glib-2.0/glib-2.0/CVE-2026-1485.patch
@@ -0,0 +1,44 @@
+From ee5acb2cefc643450509374da2600cd3bf49a109 Mon Sep 17 00:00:00 2001
+From: Marco Trevisan <mail@3v1n0.net>
+Date: Fri, 23 Jan 2026 19:05:44 +0100
+Subject: [PATCH] gio/gcontenttype-fdo: Do not overflow if header is longer
+ than MAXINT
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+In case the header size is longer than MAXINT we may read and write to
+invalid locations
+
+Spotted by treeplus.
+Thanks to the Sovereign Tech Resilience programme from the Sovereign
+Tech Agency.
+
+ID: #YWH-PGM9867-169
+Closes: #3871
+
+
+(cherry picked from commit aacda5b07141b944408c79e83bcbed3b2e1e6e45)
+
+Co-authored-by: Marco Trevisan (Treviño) <mail@3v1n0.net>
+
+CVE: CVE-2026-1485
+Upstream-Status: Backport [https://gitlab.gnome.org/GNOME/glib/-/commit/ee5acb2cefc643450509374da2600cd3bf49a109]
+Signed-off-by: Peter Marko <peter.marko@siemens.com>
+---
+ gio/gcontenttype.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/gio/gcontenttype.c b/gio/gcontenttype.c
+index 230cea182..11323973a 100644
+--- a/gio/gcontenttype.c
++++ b/gio/gcontenttype.c
+@@ -1021,7 +1021,7 @@ tree_match_free (TreeMatch *match)
+ static TreeMatch *
+ parse_header (gchar *line)
+ {
+-  gint len;
++  size_t len;
+   gchar *s;
+   TreeMatch *match;
+ 
diff --git a/meta/recipes-core/glib-2.0/glib-2.0_2.78.6.bb b/meta/recipes-core/glib-2.0/glib-2.0_2.78.6.bb
index 43a28273e9..fefa3ad7d6 100644
--- a/meta/recipes-core/glib-2.0/glib-2.0_2.78.6.bb
+++ b/meta/recipes-core/glib-2.0/glib-2.0_2.78.6.bb
@@ -42,6 +42,7 @@ SRC_URI = "${GNOME_MIRROR}/glib/${SHRT_VER}/glib-${PV}.tar.xz \
            file://CVE-2026-0988.patch \
            file://CVE-2026-1484-01.patch \
            file://CVE-2026-1484-02.patch \
+           file://CVE-2026-1485.patch \
            "
 SRC_URI:append:class-native = " file://relocate-modules.patch \
                                 file://0001-meson.build-do-not-enable-pidfd-features-on-native-g.patch \