1 files changed, 36 insertions, 0 deletions

diff --git a/meta/recipes-core/libxml/libxml2/CVE-2021-3516.patch b/meta/recipes-core/libxml/libxml2/CVE-2021-3516.patch
new file mode 100644
index 0000000000..287a171924
--- /dev/null
+++ b/meta/recipes-core/libxml/libxml2/CVE-2021-3516.patch
@@ -0,0 +1,36 @@
+From b76718876953e11bbd73dc6c9457323fd5aeda2e Mon Sep 17 00:00:00 2001
+From: Nick Wellnhofer <wellnhofer@aevum.de>
+Date: Wed, 21 Apr 2021 13:23:27 +0200
+Subject: [PATCH 2/3] Fix use-after-free with `xmllint --html --push`
+
+Call htmlCtxtUseOptions to make sure that names aren't stored in
+dictionaries.
+
+Note that this issue only affects xmllint using the HTML push parser.
+
+Fixes #230.
+
+CVE: CVE-2021-3516
+Upstream-Status: Backport [https://gitlab.gnome.org/GNOME/libxml2/-/commit/1358d157d0bd83be1dfe356a69213df9fac0b539]
+
+Signed-off-by: Tony Tascioglu <tony.tascioglu@windriver.com>
+---
+ xmllint.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/xmllint.c b/xmllint.c
+index c0712674..ba66676b 100644
+--- a/xmllint.c
++++ b/xmllint.c
+@@ -2204,7 +2204,7 @@ static void parseAndPrintFile(char *filename, xmlParserCtxtPtr rectxt) {
+             if (res > 0) {
+                 ctxt = htmlCreatePushParserCtxt(NULL, NULL,
+                             chars, res, filename, XML_CHAR_ENCODING_NONE);
+-                xmlCtxtUseOptions(ctxt, options);
++                htmlCtxtUseOptions(ctxt, options);
+                 while ((res = fread(chars, 1, pushsize, f)) > 0) {
+                     htmlParseChunk(ctxt, chars, res, 0);
+                 }
+-- 
+2.25.1
+