Fix another memory leak

Related: RHEL-120801

fix-memory-leak.patch

@@ -1,23 +0,0 @@
-From b9de95a1caf39c5eee35c984fd0b51ddd1b0d40e Mon Sep 17 00:00:00 2001
-From: Stefan Behnel <stefan_ml@behnel.de>
-Date: Sat, 17 Jan 2026 07:21:23 +0100
-Subject: [PATCH] Add missing "noexcept" to fix a memory leak.
-
-Fixes https://bugs.launchpad.net/lxml/+bug/2138421
----
- src/lxml/etree.pyx | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/src/lxml/etree.pyx b/src/lxml/etree.pyx
-index 2ed3d1e15..3e7dca047 100644
---- a/src/lxml/etree.pyx
-+++ b/src/lxml/etree.pyx
-@@ -668,7 +668,7 @@ cdef class DocInfo:
-         return root_name
- 
-     @cython.final
--    cdef tree.xmlDtd* _get_c_dtd(self):
-+    cdef tree.xmlDtd* _get_c_dtd(self) noexcept:
-         """"Return the DTD. Create it if it does not yet exist."""
-         cdef xmlDoc* c_doc = self._doc._c_doc
-         cdef xmlNode* c_root_node

fix-memory-leaks.patch

@@ -0,0 +1,52 @@
+From 9abf22ef29816787256605a281e1413bd6063590 Mon Sep 17 00:00:00 2001
+From: Stefan Behnel <stefan_ml@behnel.de>
+Date: Thu, 4 Dec 2025 11:50:30 +0100
+Subject: [PATCH 1/2] Fix a memory leak in the rare case of a memory allocation
+ error.
+
+---
+ src/lxml/parser.pxi | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/src/lxml/parser.pxi b/src/lxml/parser.pxi
+index 3106e61..8d53277 100644
+--- a/src/lxml/parser.pxi
++++ b/src/lxml/parser.pxi
+@@ -2004,6 +2004,7 @@ cdef xmlDoc* _copyDocRoot(xmlDoc* c_doc, xmlNode* c_new_root) except NULL:
+     with nogil:
+         c_node = tree.xmlDocCopyNode(c_new_root, result, 1) # recursive
+     if c_node is NULL:
++        tree.xmlFreeDoc(result)
+         raise MemoryError()
+     tree.xmlDocSetRootElement(result, c_node)
+     _copyTail(c_new_root.next, c_node)
+-- 
+2.53.0
+
+
+From 3f148c66c78cd7c010721e4b49c993b02bf0b8d5 Mon Sep 17 00:00:00 2001
+From: Stefan Behnel <stefan_ml@behnel.de>
+Date: Sat, 17 Jan 2026 07:21:23 +0100
+Subject: [PATCH 2/2] Add missing "noexcept" to fix a memory leak.
+
+Fixes https://bugs.launchpad.net/lxml/+bug/2138421
+---
+ src/lxml/etree.pyx | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/lxml/etree.pyx b/src/lxml/etree.pyx
+index 562d95e..50cb71f 100644
+--- a/src/lxml/etree.pyx
++++ b/src/lxml/etree.pyx
+@@ -657,7 +657,7 @@ cdef class DocInfo:
+         return root_name
+ 
+     @cython.final
+-    cdef tree.xmlDtd* _get_c_dtd(self):
++    cdef tree.xmlDtd* _get_c_dtd(self) noexcept:
+         """"Return the DTD. Create it if it does not yet exist."""
+         cdef xmlDoc* c_doc = self._doc._c_doc
+         cdef xmlNode* c_root_node
+-- 
+2.53.0
+

python3.14-lxml.spec

@@ -18,9 +18,11 @@ URL:            https://github.com/lxml/lxml
 Source0:        lxml-%{version}-no-isoschematron-rng.tar.gz
 Source1:        get-lxml-source.sh
 
-# Fix a memory leak
-# Resolved upstream: https://github.com/lxml/lxml/commit/459d51e316c319c8f49b3b7d08fb80cbc8585f49
-Patch0:         fix-memory-leak.patch
+# Fix two memory leaks
+# Resolved upstream:
+# https://github.com/lxml/lxml/commit/459d51e316c319c8f49b3b7d08fb80cbc8585f49
+# https://github.com/lxml/lxml/commit/39cdf11f5d2cf6e4f810202b6e415afd350d3df2
+Patch:          fix-memory-leaks.patch
 
 BuildRequires:  gcc
 BuildRequires:  libxml2-devel