1 files changed, 34 insertions, 0 deletions
diff --git a/gnu/packages/patches/expat-CVE-2024-45490.patch b/gnu/packages/patches/expat-CVE-2024-45490.patch
new file mode 100644
index 0000000000..f876e78651
--- /dev/null
+++ b/gnu/packages/patches/expat-CVE-2024-45490.patch
@@ -0,0 +1,34 @@
+https://github.com/libexpat/libexpat/commit/5c1a31642e243f4870c0bd1f2afc7597976521bf.patch
+Fixed in 2.6.3.
+Takes only 1 of the 3 patches from
+https://github.com/libexpat/libexpat/pull/890 to take the fix and not the
+tests because that part doesn't apply cleanly.
+
+From 5c1a31642e243f4870c0bd1f2afc7597976521bf Mon Sep 17 00:00:00 2001
+From: Sebastian Pipping <sebastian@pipping.org>
+Date: Mon, 19 Aug 2024 22:26:07 +0200
+Subject: [PATCH] lib: Reject negative len for XML_ParseBuffer
+
+Reported by TaiYou
+
+---
+ expat/lib/xmlparse.c | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/lib/xmlparse.c b/lib/xmlparse.c
+index 91682c188..ba1038119 100644
+--- a/lib/xmlparse.c
++++ b/lib/xmlparse.c
+@@ -2038,6 +2038,12 @@ XML_ParseBuffer(XML_Parser parser, int len, int isFinal) {
+ 
+   if (parser == NULL)
+     return XML_STATUS_ERROR;
++
++  if (len < 0) {
++    parser->m_errorCode = XML_ERROR_INVALID_ARGUMENT;
++    return XML_STATUS_ERROR;
++  }
++
+   switch (parser->m_parsingStatus.parsing) {
+   case XML_SUSPENDED:
+     parser->m_errorCode = XML_ERROR_SUSPENDED;