From 11f37bc6eb985f61d4d7490868ca2d38415af450 Mon Sep 17 00:00:00 2001
From: Cristian Amarie <camarie@bitdefender.com>
Date: Thu, 13 Aug 2020 18:45:26 +0000
Subject: [PATCH] Add limit on request redirects (fixes issue #3001)

---
 libcef/browser/net_service/proxy_url_loader_factory.cc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libcef/browser/net_service/proxy_url_loader_factory.cc b/libcef/browser/net_service/proxy_url_loader_factory.cc
index 72aa8941b..131d3031e 100644
--- a/libcef/browser/net_service/proxy_url_loader_factory.cc
+++ b/libcef/browser/net_service/proxy_url_loader_factory.cc
@@ -229,6 +229,7 @@ class InterceptedRequest : public network::mojom::URLLoader,
   const uint32_t options_;
   bool input_stream_previously_failed_ = false;
   bool request_was_redirected_ = false;
+  int redirect_limit_ = net::URLRequest::kMaxRedirects;
 
   // To avoid sending multiple OnReceivedError callbacks.
   bool sent_error_callback_ = false;
@@ -485,6 +486,11 @@ void InterceptedRequest::OnReceiveRedirect(
     needs_callback = true;
   }
 
+  if (--redirect_limit_ == 0) {
+    SendErrorAndCompleteImmediately(net::ERR_TOO_MANY_REDIRECTS);
+    return;
+  }
+
   net::RedirectInfo new_redirect_info;
 
   // When we redirect via ContinueToHandleOverrideHeaders the |redirect_info|