expat: fix CVE-2018-20843

(From OE-Core rev: 355b6168b722b10eddeb36d5b389128733fbcb64)

Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 26 insertions, 0 deletions

diff --git a/meta/recipes-core/expat/expat/CVE-2018-20843.patch b/meta/recipes-core/expat/expat/CVE-2018-20843.patch
new file mode 100644
index 0000000000..af6641eff1
--- /dev/null
+++ b/meta/recipes-core/expat/expat/CVE-2018-20843.patch
@@ -0,0 +1,26 @@
+From 11f8838bf99ea0a6f0b76f9760c43704d00c4ff6 Mon Sep 17 00:00:00 2001
+From: Sebastian Pipping <sebastian@pipping.org>
+Date: Wed, 12 Jun 2019 15:42:22 +0200
+Subject: [PATCH] xmlparse.c: Fix extraction of namespace prefix from XML name
+ (#186)
+
+Upstream-Status: Backport
+CVE: CVE-2018-20843
+Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
+---
+ expat/lib/xmlparse.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/expat/lib/xmlparse.c b/expat/lib/xmlparse.c
+index 30d55c5c..737d7cd2 100644
+--- a/expat/lib/xmlparse.c
++++ b/expat/lib/xmlparse.c
+@@ -6071,7 +6071,7 @@ setElementTypePrefix(XML_Parser parser, ELEMENT_TYPE *elementType)
+       else
+         poolDiscard(&dtd->pool);
+       elementType->prefix = prefix;
+-
++      break;
+     }
+   }
+   return 1;