diff --git a/backport-CVE-2025-6199.patch b/backport-CVE-2025-6199.patch
new file mode 100644
index 0000000000000000000000000000000000000000..e242f836657e6b66c288176ef854cef977a0eb6a
--- /dev/null
+++ b/backport-CVE-2025-6199.patch
@@ -0,0 +1,30 @@
+From c4986342b241cdc075259565f3fa7a7597d32a32 Mon Sep 17 00:00:00 2001
+From: lumi <lumi@suwi.moe>
+Date: Sat, 7 Jun 2025 22:27:06 +0200
+Subject: [PATCH] lzw: Fix reporting of bytes written in decoder
+
+When the LZW decoder encounters an invalid code, it stops
+processing the image and returns the whole buffer size.
+It should return the amount of bytes written, instead.
+
+Fixes #257
+---
+ gdk-pixbuf/lzw.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/gdk-pixbuf/lzw.c b/gdk-pixbuf/lzw.c
+index 15293560b..4f3dd8beb 100644
+--- a/gdk-pixbuf/lzw.c
++++ b/gdk-pixbuf/lzw.c
+@@ -208,7 +208,7 @@ lzw_decoder_feed (LZWDecoder *self,
+                                 /* Invalid code received - just stop here */
+                                 if (self->code >= self->code_table_size) {
+                                         self->last_code = self->eoi_code;
+-                                        return output_length;
++                                        return n_written;
+                                 }
+ 
+                                 /* Convert codeword into indexes */
+-- 
+GitLab
+
diff --git a/gdk-pixbuf2.spec b/gdk-pixbuf2.spec
index 0abc7559ff0dda35bcb9c8596d1466f55d27e005..a34c75a0eb1b30a26fdc7e9b56d9a7a587374b82 100644
--- a/gdk-pixbuf2.spec
+++ b/gdk-pixbuf2.spec
@@ -2,13 +2,14 @@
 
 Name:           gdk-pixbuf2
 Version:        2.42.10
-Release:        4
+Release:        5
 Summary:        gdk is a multi-platform toolkit for creating graphical user interfaces.
 License:        LGPLv2+
 URL:            https://gitlab.gnome.org/GNOME/gdk-pixbuf
 Source0:        https://download.gnome.org/sources/gdk-pixbuf/2.42/gdk-pixbuf-%{version}.tar.xz
 
 Patch6000:	backport-CVE-2022-48622.patch
+Patch6001:      backport-CVE-2025-6199.patch
 
 BuildRequires:  docbook-style-xsl
 BuildRequires:  gettext
@@ -132,6 +133,9 @@ gdk-pixbuf-query-loaders-%{__isa_bits} --update-cache
 %{_datadir}/doc/gdk-pixdata/
 
 %changelog
+* Wed Jun 18 2025 Funda Wang <fundawang@yeah.net> - 2.42.10-5
+- fix CVE-2025-6199
+
 * Mon Oct 14 2024 zhangpan <zhangpan103@h-partners.com> - 2.42.10-4
 - fix duplicate packaged files for help subpackages