new file mode 100644
@@ -0,0 +1,52 @@
+CVE: CVE-2023-46218
+Upstream-Status: Backport [ https://github.com/curl/curl/commit/2b0994c29a721c91c57 ]
+Signed-off-by: Lee Chee Yang <chee.yang.lee@intel.com>
+
+From 2b0994c29a721c91c572cff7808c572a24d251eb Mon Sep 17 00:00:00 2001
+From: Daniel Stenberg <daniel@haxx.se>
+Date: Thu, 23 Nov 2023 08:15:47 +0100
+Subject: [PATCH] cookie: lowercase the domain names before PSL checks
+
+Reported-by: Harry Sintonen
+
+Closes #12387
+---
+ lib/cookie.c | 24 ++++++++++++++++--------
+ 1 file changed, 16 insertions(+), 8 deletions(-)
+
+diff --git a/lib/cookie.c b/lib/cookie.c
+index 568cf537ad1b1f..9095cea3e97f22 100644
+--- a/lib/cookie.c
++++ b/lib/cookie.c
+@@ -1027,15 +1027,23 @@ Curl_cookie_add(struct Curl_easy *data,
+ * dereference it.
+ */
+ if(data && (domain && co->domain && !Curl_host_is_ipnum(co->domain))) {
+- const psl_ctx_t *psl = Curl_psl_use(data);
+- int acceptable;
+-
+- if(psl) {
+- acceptable = psl_is_cookie_domain_acceptable(psl, domain, co->domain);
+- Curl_psl_release(data);
++ bool acceptable = FALSE;
++ char lcase[256];
++ char lcookie[256];
++ size_t dlen = strlen(domain);
++ size_t clen = strlen(co->domain);
++ if((dlen < sizeof(lcase)) && (clen < sizeof(lcookie))) {
++ const psl_ctx_t *psl = Curl_psl_use(data);
++ if(psl) {
++ /* the PSL check requires lowercase domain name and pattern */
++ Curl_strntolower(lcase, domain, dlen + 1);
++ Curl_strntolower(lcookie, co->domain, clen + 1);
++ acceptable = psl_is_cookie_domain_acceptable(psl, lcase, lcookie);
++ Curl_psl_release(data);
++ }
++ else
++ acceptable = !bad_domain(domain, strlen(domain));
+ }
+- else
+- acceptable = !bad_domain(domain, strlen(domain));
+
+ if(!acceptable) {
+ infof(data, "cookie '%s' dropped, domain '%s' must not "
@@ -13,6 +13,7 @@ SRC_URI = " \
https://curl.se/download/${BP}.tar.xz \
file://run-ptest \
file://disable-tests \
+ file://CVE-2023-46218.patch \
"
SRC_URI[sha256sum] = "16c62a9c4af0f703d28bda6d7bbf37ba47055ad3414d70dec63e2e6336f2a82d"