[meta-lts-collab][kirkstone][PATCH] jpeg: Reject unsupported number of components

From: Shaik Moin <[email protected]>

This condition was already checked for incremental loading.
This commit adds the same check in the nonincremental
code path.

Signed-off-by: Shaik Moin <[email protected]>
---
 .../gdk-pixbuf/gdk-pixbuf/CVE-2026-5201.patch | 47 +++++++++++++++++++
 .../gdk-pixbuf/gdk-pixbuf_%.bbappend          |  4 ++
 2 files changed, 51 insertions(+)
 create mode 100644 meta-oe/recipes-gnome/gdk-pixbuf/gdk-pixbuf/CVE-2026-5201.patch
 create mode 100644 meta-oe/recipes-gnome/gdk-pixbuf/gdk-pixbuf_%.bbappend

diff --git a/meta-oe/recipes-gnome/gdk-pixbuf/gdk-pixbuf/CVE-2026-5201.patch b/meta-oe/recipes-gnome/gdk-pixbuf/gdk-pixbuf/CVE-2026-5201.patch
new file mode 100644
index 0000000..d5bf327
--- /dev/null
+++ b/meta-oe/recipes-gnome/gdk-pixbuf/gdk-pixbuf/CVE-2026-5201.patch
@@ -0,0 +1,47 @@
+From 4d6eb46037d1b6a298d5db293dba57bbea4d0d08 Mon Sep 17 00:00:00 2001
+From: Shaik Moin <[email protected]>
+Date: Thu, 18 Jun 2026 14:51:28 +0530
+Subject: [PATCH] jpeg: Reject unsupported number of components
+
+Backport the fix for CVE-2026-5201
+
+This condition was already checked for incremental loading.
+This commit adds the same check in the nonincremental
+code path.
+
+CVE: CVE-2026-5201
+
+Upstream-Status: Backport [https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/commit/6cce9311e70b969cbcc6e3e1e74ae1756ed02d5b]
+
+Reviewed-by: Matthias Clasen <[email protected]>
+Signed-off-by: Shaik Moin <[email protected]>
+---
+ gdk-pixbuf/io-jpeg.c | 12 ++++++++++++
+ 1 file changed, 12 insertions(+)
+
+diff --git a/gdk-pixbuf/io-jpeg.c b/gdk-pixbuf/io-jpeg.c
+index 9ee1d21..60ad0d0 100644
+--- a/gdk-pixbuf/io-jpeg.c
++++ b/gdk-pixbuf/io-jpeg.c
+@@ -625,6 +625,18 @@ gdk_pixbuf__real_jpeg_image_load (FILE *f, struct jpeg_decompress_struct *cinfo,
+ 	cinfo->do_fancy_upsampling = FALSE;
+ 	cinfo->do_block_smoothing = FALSE;
+ 
++        /* Reject unsupported component counts */
++        if (cinfo->output_components != 3 && cinfo->output_components != 4 &&
++            !(cinfo->output_components == 1 &&
++              cinfo->out_color_space == JCS_GRAYSCALE)) {
++                g_set_error (error,
++                             GDK_PIXBUF_ERROR,
++                             GDK_PIXBUF_ERROR_CORRUPT_IMAGE,
++                             _("Unsupported number of color components (%d)"),
++                             cinfo->output_components);
++                goto out;
++        }
++
+ 	pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 
+ 				 cinfo->out_color_components == 4 ? TRUE : FALSE, 
+ 				 8,
+-- 
+2.34.1
+
diff --git a/meta-oe/recipes-gnome/gdk-pixbuf/gdk-pixbuf_%.bbappend b/meta-oe/recipes-gnome/gdk-pixbuf/gdk-pixbuf_%.bbappend
new file mode 100644
index 0000000..6a5584e
--- /dev/null
+++ b/meta-oe/recipes-gnome/gdk-pixbuf/gdk-pixbuf_%.bbappend
@@ -0,0 +1,4 @@
+FILESEXTRAPATHS:prepend := "${THISDIR}/files:"
+
+SRC_URI += "file://CVE-2026-5201.patch \
+"
-- 
2.34.1