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requests with self signed certs broken #7033

@Phoobian

Description

@Phoobian

specifying a cert bundle in 2.28.1 works fine, but in 2.32.5 fails with requests.exceptions.SSLError

Expected Result

Response 200

Actual Result

Traceback (most recent call last):
File "", line 1, in
File "/usr/local/lib/python3.11/site-packages/requests/api.py", line 73, in get
return request("get", url, params=params, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/requests/api.py", line 59, in request
return session.request(method=method, url=url, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/requests/sessions.py", line 589, in request
resp = self.send(prep, **send_kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/requests/sessions.py", line 703, in send
r = adapter.send(request, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/requests/adapters.py", line 675, in send
raise SSLError(e, request=request)
requests.exceptions.SSLError: HTTPSConnectionPool(host='lal-apps', port=443): Max retries exceeded with url: / (Caused by SSLError(SSLError(1, '[SSL: SSLV3_ALERT_HANDSHAKE_FAILURE] sslv3 alert handshake failure (_ssl.c:1016)')))

Reproduction Steps

import requests
url = '<YOUR SERVER WITH A SELF SIGNED CERT'
r = requests.get(url)

System Information

REQUESTS_CA_BUNDLE set to valid cert bundle, works with 2.28.1
{
  "chardet": {
    "version": null
  },
  "charset_normalizer": {
    "version": "3.4.3"
  },
  "cryptography": {
    "version": ""
  },
  "idna": {
    "version": "3.10"
  },
  "implementation": {
    "name": "CPython",
    "version": "3.11.12"
  },
  "platform": {
    "release": "5.14.0-503.22.1.el9_5.x86_64",
    "system": "Linux"
  },
  "pyOpenSSL": {
    "openssl_version": "",
    "version": null
  },
  "requests": {
    "version": "2.32.5"
  },
  "system_ssl": {
    "version": "1010117f"
  },
  "urllib3": {
    "version": "2.5.0"
  },
  "using_charset_normalizer": true,
  "using_pyopenssl": false
}

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