python: cpython: URL parser allowed square brackets in domain names

A flaw was found in Python. The Python standard library functions urllib.parse.urlsplit and urlparse accept domain names that included square brackets, which isn't valid according to RFC 3986. Square brackets are only meant to be used as delimiters for specifying IPv6 and IPvFuture hosts in URLs...

ROS-20250402-01

The vulnerability of the urllib.parse.urlsplit and urlparse functions of the Python programming language interpreter is related to the fact that urllib.parse.urlsplit and urlparse accept domain names with square brackets. Exploiting the vulnerability could allow an attacker to escalate their...

Amazon Linux 2 : python (ALAS-2025-2797)

The version of python installed on the remote host is prior to 2.7.18-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2025-2797 advisory. An issue was found in the CPython zipfile module affecting versions 3.12.2, 3.11.8, 3.10.13, 3.9.18, and 3.8.18 and prior...

Medium: python

Issue Overview: An issue was found in the CPython zipfile module affecting versions 3.12.2, 3.11.8, 3.10.13, 3.9.18, and 3.8.18 and prior. The zipfile module is vulnerable to "quoted-overlap" zip-bombs which exploit the zip format to create a zip-bomb with a high compression ratio. The fixed...

CVE-2025-0454 SSRF Check Bypass in Requests Utility in significant-gravitas/autogpt

A Server-Side Request Forgery SSRF vulnerability was identified in the Requests utility of significant-gravitas/autogpt versions prior to v0.4.0. The vulnerability arises due to a hostname confusion between the urlparse function from the urllib.parse library and the requests library. A malicious...

CLSA-2025-1742379028 Fix CVE(s): CVE-2024-11168, CVE-2024-4032, CVE-2025-0938

SECURITY UPDATE: Improper validation of bracketed hosts in urllib - debian/patches/CVE-2024-11168.patch: add checks to ensure that bracketed hosts found by urlsplit are of IPv6 or IPvFuture format - CVE-2024-11168 SECURITY UPDATE: Incomplete validation of bracketed hosts in urllib -...

Linux Distros Unpatched Vulnerability : CVE-2019-9948

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - urllib in Python 2.x through 2.7.16 supports the localfile: scheme, which makes it easier for remote attackers to bypass protection mechanisms that blacklist...

OESA-2025-1148 python3 security update

Python combines remarkable power with very clear syntax. It has modules, classes, exceptions, very high level dynamic data types, and dynamic typing. There are interfaces to many system calls and libraries, as well as to various windowing systems. New built-in modules are easily written in C or C...

K000149880: Python vulnerabilities CVE-2021-3733, CVE-2021-3426, CVE-2021-23336, and CVE-2020-8492

Security Advisory Description CVE-2021-3733 There's a flaw in urllib's AbstractBasicAuthHandler class. An attacker who controls a malicious HTTP server that an HTTP client such as web browser connects to, could trigger a Regular Expression Denial of Service ReDOS during an authentication request...

SUSE-SU-2025:0553-1 Security update for python

This update for python fixes the following issues: - CVE-2025-0938: functions urllib.parse.urlsplit and urlparse accept domain names including square brackets bsc1236705...

Python Improper Input Validation Vulnerability (Jan 2025) - Linux

Python is prone to an improper input validation vulnerability in the urllib.parse.urlsplit and urlparse standard functions. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders...

BIT-PYTHON-MIN-2021-23336 Web Cache Poisoning

The package python/cpython from 0 and before 3.6.13, from 3.7.0 and before 3.7.10, from 3.8.0 and before 3.8.8, from 3.9.0 and before 3.9.2 are vulnerable to Web Cache Poisoning via urllib.parse.parseqsl and urllib.parse.parseqs by using a vector called parameter cloaking. When the attacker can...

BIT-PYTHON-MIN-2021-3733

There's a flaw in urllib's AbstractBasicAuthHandler class. An attacker who controls a malicious HTTP server that an HTTP client such as web browser connects to, could trigger a Regular Expression Denial of Service ReDOS during an authentication request with a specially crafted payload that is sen...

Python SSRF Vulnerability (Nov 2024) - Linux

Python is prone to a server-side request forgery SSRF vulnerability. SPDX-FileCopyrightText: 2024 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 CPE =...

PSF-2024-13

The urllib.parse.urlsplit and urlparse functions improperly validated bracketed hosts , allowing hosts that weren't IPv6 or IPvFuture. This behavior was not conformant to RFC 3986 and potentially enabled SSRF if a URL is processed by more than one URL parser...

CVE-2024-11168 Improper validation of IPv6 and IPvFuture addresses

The urllib.parse.urlsplit and urlparse functions improperly validated bracketed hosts , allowing hosts that weren't IPv6 or IPvFuture. This behavior was not conformant to RFC 3986 and potentially enabled SSRF if a URL is processed by more than one URL parser...

Python 代码问题漏洞

Python is an open source, object-oriented programming language from the Python Foundation. The language is extensible, supports modules and packages, and supports multiple platforms. A code issue vulnerability exists in Python that stems from the urllib.parse.urlsplit function and the urlparse...

[slackware-security] python3

New python3 packages are available for Slackware 15.0 and -current to fix security issues. Here are the details from the Slackware 15.0 ChangeLog: patches/packages/python3-3.9.20-i586-1slack15.0.txz: Upgraded. This update fixes security issues: Bundled libexpat was updated to 2.6.3. Fix quadratic...

CLSA-2024-1722527236 Fix CVE(s): CVE-2021-3733

SECURITY UPDATE: Regular Expression Denial of Service - debian/patches/CVE-2021-3733.patch: Fix ReDoS vulnerability in AbstractBasicAuthHandler class of Lib/urllib2.py - CVE-2021-3733...

Python DoS Vulnerability (Mar 2024) - Windows

Python is prone to a denial of service DoS vulnerability in libexpat. SPDX-FileCopyrightText: 2024 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 CPE =...