diff --git a/CVE-2025-50420.patch b/CVE-2025-50420.patch
new file mode 100644
index 0000000000000000000000000000000000000000..6afd9270322b90cd2ab8197b47e26f93cffb0825
--- /dev/null
+++ b/CVE-2025-50420.patch
@@ -0,0 +1,34 @@
+From 08d7894e4dd0e313c179e30f06ad8f546619b1b3 Mon Sep 17 00:00:00 2001
+From: Sune Vuorela <sune@vuorela.dk>
+Date: Tue, 29 Jul 2025 14:14:00 +0200
+Subject: [PATCH] Fix crash in pdfseparate
+
+Don't continue recursing in PDFDoc::mark* if things looks a bit weirder
+than expected
+---
+ poppler/PDFDoc.cc | 9 +++++++++
+ 1 file changed, 9 insertions(+)
+
+diff --git a/poppler/PDFDoc.cc b/poppler/PDFDoc.cc
+index 0b0b3215cb..0cfb273884 100644
+--- a/poppler/PDFDoc.cc
++++ b/poppler/PDFDoc.cc
+@@ -1857,6 +1857,15 @@ bool PDFDoc::markAnnotations(Object *annotsObj, XRef *xRef, XRef *countRef, unsi
+             if (obj1.isDict()) {
+                 Dict *dict = obj1.getDict();
+                 Object type = dict->lookup("Type");
++                if (type.isNull()) {
++                    Object subType = dict->lookup("SubType");
++                    // Type is optional, subtype is required
++                    // If neither of them exists, something is probably
++                    // weird here, so let us just skip this entry
++                    if (subType.isNull()) {
++                        continue;
++                    }
++                }
+                 if (type.isName() && strcmp(type.getName(), "Annot") == 0) {
+                     const Object &obj2 = dict->lookupNF("P");
+                     if (obj2.isRef()) {
+-- 
+GitLab
+
diff --git a/poppler.spec b/poppler.spec
index 59d2017b5a239eae395ef75967aad003b664279b..c5b7bc221daa394469edb6ac0f0a5741653d2f41 100644
--- a/poppler.spec
+++ b/poppler.spec
@@ -5,7 +5,7 @@
 
 Name:    poppler
 Version: 25.07.0
-Release: 1
+Release: 2
 Summary: PDF rendering library
 License: (GPL-2.0-only OR GPL-3.0-only) AND GPL-2.0-or-later AND LGPL-2.0-or-later AND LGPL-2.1-or-later AND MIT
 URL:     https://poppler.freedesktop.org/
@@ -15,6 +15,7 @@ Source1: https://gitlab.freedesktop.org/poppler/test/-/archive/%{test_sha}/test-
 Patch0:  backport-Enable-SHA-1-within-test-pdf-validate-signature.cc.patch
 Patch1:  poppler-0.90.0-position-independent-code.patch
 Patch3:  poppler-21.01.0-glib-introspection.patch
+Patch4:  CVE-2025-50420.patch
 
 BuildRequires: make
 BuildRequires: cmake >= 3.22.0
@@ -240,6 +241,9 @@ other formats.
 %{_mandir}/man1/*
 
 %changelog
+* Tue Aug 5 2025 yujingbo <yujingbo@kylinos.cn> - 25.07.0-2
+- fix CVE-2025-50420
+
 * Fri Jul 11 2025 Funda Wang <fundawang@yeah.net> - 25.07.0-1
 - update to 25.07.0