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-rw-r--r--youtube_dl/utils.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/youtube_dl/utils.py b/youtube_dl/utils.py
index d52fa7a28..6d798f13a 100644
--- a/youtube_dl/utils.py
+++ b/youtube_dl/utils.py
@@ -2996,7 +2996,8 @@ class YoutubeDLRedirectHandler(compat_urllib_request.HTTPRedirectHandler):
         # Technically the Cookie header should be in unredirected_hdrs;
         # however in practice some may set it in normal headers anyway.
         # We will remove it here to prevent any leaks.
-        remove_headers = ['Cookie']
+        # Also remove unwanted and undocumented Host header for old URL
+        remove_headers = ['Cookie', 'Host']
 
         # A 303 must either use GET or HEAD for subsequent request
         # https://datatracker.ietf.org/doc/html/rfc7231#section-6.4.4