Security Bulletin: Vulnerability in urllib3 affects IBM Cloud Pak for Data System 2.0 (CPDS 2.0)[CVE-2023-43804, CVE-2023-45803]

Summary The urllib3 package is used by IBM Cloud Pak for Data System 2.0 . IBM Cloud Pak for Data System 2.0 has addressed the applicable CVEsCVE-2023-43804, CVE-2023-45803 Vulnerability Details CVEID:CVE-2023-43804 DESCRIPTION: urllib3 is a user-friendly HTTP client library for Python. urllib3...

EUVD-2025-201419

urllib3 is a user-friendly HTTP client library for Python. Starting in version 1.0 and prior to 2.6.0, the Streaming API improperly handles highly compressed data. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than...

CVE-2025-13836

A flaw was found in the http.client module in the Python standard library. When reading an HTTP response from a server, if no read amount is specified, the default behavior will be to use Content-Length. This issue allows a malicious server to cause the client to read large amounts of data into...

CVE-2025-50182 urllib3 does not control redirects in browsers and Node.js

urllib3 is a user-friendly HTTP client library for Python. Starting in version 2.2.0 and prior to 2.5.0, urllib3 does not control redirects in browsers and Node.js. urllib3 supports being used in a Pyodide runtime utilizing the JavaScript Fetch API or falling back on XMLHttpRequest. This means...

BIT-PYTHON-MIN-2020-26116

http.client in Python 3.x before 3.5.10, 3.6.x before 3.6.12, 3.7.x before 3.7.9, and 3.8.x before 3.8.5 allows CRLF injection if the attacker controls the HTTP request method, as demonstrated by inserting CR and LF control characters in the first argument of HTTPConnection.request...

Huawei EulerOS: Security Advisory for python-urllib3 (EulerOS-SA-2025-1045)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

urllib3: proxy-authorization request header is not stripped during cross-origin redirects

A flaw was found in urllib3, an HTTP client library for Python. In certain configurations, urllib3 does not treat the Proxy-Authorization HTTP header as one carrying authentication material. This issue results in not stripping the header on cross-origin redirects...

UBUNTU-CVE-2024-37891

urllib3 is a user-friendly HTTP client library for Python. When using urllib3's proxy support with ProxyManager, the Proxy-Authorization header is only sent to the configured proxy, as expected. However, when sending HTTP requests without using urllib3's proxy support, it's possible to accidental...

python-urllib3: Cookie request header isn't stripped during cross-origin redirects

A flaw was found in urllib3, a user-friendly HTTP client library for Python. urllib3 doesn't treat the Cookie HTTP header special or provide any helpers for managing cookies over HTTP, which is the responsibility of the user. However, it is possible for a user to specify a Cookie header and...

UBUNTU-CVE-2023-45803

urllib3 is a user-friendly HTTP client library for Python. urllib3 previously wouldn't remove the HTTP request body when an HTTP redirect response using status 301, 302, or 303 after the request had its method changed from one that could accept a request body like POST to GET as is required by HT...

SUSE CVE-2020-26116

http.client in Python 3.x before 3.5.10, 3.6.x before 3.6.12, 3.7.x before 3.7.9, and 3.8.x before 3.8.5 allows CRLF injection if the attacker controls the HTTP request method, as demonstrated by inserting CR and LF control characters in the first argument of HTTPConnection.request...

python: CRLF injection via HTTP request method in httplib/http.client

A flaw was found in Python. The built-in modules httplib and http.client included in Python 2 and Python 3, respectively do not properly validate CRLF sequences in the HTTP request method, potentially allowing manipulation to the request by injecting additional HTTP headers. The highest threat fr...

PT-2021-6101

Name of the Vulnerable Software and Affected Versions httplib2 versions prior to 0.19.0 Description A malicious server which responds with long series of xa0 characters in the www-authenticate header may cause Denial of Service CPU burn while parsing header of the httplib2 client accessing said...