Fix CVE-2025-32415 (RHEL-100174)

Resolves: RHEL-100174

libxml2-2.12.5-CVE-2025-32415.patch

@@ -0,0 +1,38 @@
+From 384cc7c182fc00c6d5e2ab4b5e3671b2e3f93c84 Mon Sep 17 00:00:00 2001
+From: Nick Wellnhofer <wellnhofer@aevum.de>
+Date: Sun, 6 Apr 2025 12:41:11 +0200
+Subject: [PATCH] [CVE-2025-32415] schemas: Fix heap buffer overflow in
+ xmlSchemaIDCFillNodeTables
+
+Don't use local variable which could contain a stale value.
+
+Fixes #890.
+---
+ xmlschemas.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/xmlschemas.c b/xmlschemas.c
+index e35c117ef..4bdabd129 100644
+--- a/xmlschemas.c
++++ b/xmlschemas.c
+@@ -23324,7 +23324,7 @@ xmlSchemaIDCFillNodeTables(xmlSchemaValidCtxtPtr vctxt,
+ 			j++;
+ 		    } while (j < nbDupls);
+ 		}
+-		if (nbNodeTable) {
++		if (bind->nbNodes) {
+ 		    j = 0;
+ 		    do {
+ 			if (nbFields == 1) {
+@@ -23375,7 +23375,7 @@ xmlSchemaIDCFillNodeTables(xmlSchemaValidCtxtPtr vctxt,
+ 
+ next_node_table_entry:
+ 			j++;
+-		    } while (j < nbNodeTable);
++		    } while (j < bind->nbNodes);
+ 		}
+ 		/*
+ 		* If everything is fine, then add the IDC target-node to
+-- 
+GitLab
+

libxml2.spec

@@ -1,6 +1,6 @@
 Name:           libxml2
 Version:        2.12.5
-Release:        8%{?dist}
+Release:        9%{?dist}
 Summary:        Library providing XML and HTML support
 
 # list.c, dict.c and few others use ISC-Veillard
@@ -33,6 +33,8 @@ Patch6:         libxml2-2.12.5-CVE-2025-49794.patch
 Patch7:         libxml2-2.12.5-CVE-2025-49795.patch
 # https://issues.redhat.com/browse/RHEL-102794
 Patch8:         libxml2-2.12.5-CVE-2025-7425.patch
+# https://issues.redhat.com/browse/RHEL-100174
+Patch9:         libxml2-2.12.5-CVE-2025-32415.patch
 
 BuildRequires:  cmake-rpm-macros
 BuildRequires:  gcc
@@ -173,6 +175,9 @@ popd
 %{python3_sitelib}/__pycache__/drv_libxml2.*
 
 %changelog
+* Tue Aug 05 2025 David King <dking@redhat.com> - 2.12.5-9
+- Fix CVE-2025-32415 (RHEL-100174)
+
 * Mon Jul 21 2025 David King <dking@redhat.com> - 2.12.5-8
 - Fix CVE-2025-7425 (RHEL-102794)