libxml2/SOURCES/libxml2-2.12.5-CVE-2025-32415.patch

39 lines
1004 B
Diff

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
--
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