Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.04 / 25.10 : Python vulnerability (USN-7951-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.04 / 25.10 host has packages installed that are affected by a vulnerability as referenced in the USN-7951-1 advisory. It was discovered that Python's http.client did not properly handle the Content-Length header in HTTP response...

USN-7951-1 python3.8, python3.9, python3.10, python3.11, python3.12, python3.13, python3.14 vulnerability

It was discovered that Python's http.client did not properly handle the Content-Length header in HTTP responses. A malicious server could exploit this to cause Python to allocate excessive memory, leading to a denial of service...

USN-7951-1: Python vulnerability

It was discovered that Python's http.client did not properly handle the Content-Length header in HTTP responses. A malicious server could exploit this to cause Python to allocate excessive memory, leading to a denial of service...

PT-2026-2977

It was discovered that Python's http.client did not properly handle the Content-Length header in HTTP responses. A malicious server could exploit this to cause Python to allocate excessive memory, leading to a denial of service...

CVE-2021-31227

An issue was discovered in HCC embedded InterNiche 4.0.1. A potential heap buffer overflow exists in the code that parses the HTTP POST request, due to an incorrect signed integer comparison. This vulnerability requires the attacker to send a malformed HTTP packet with a negative Content-Length,...

CVE-2020-7658

meinheld prior to 1.0.2 is vulnerable to HTTP Request Smuggling. HTTP pipelining issues and request smuggling attacks might be possible due to incorrect Content-Length and Transfer encoding header parsing...

CVE-2019-18995

The HMISimulator component of ABB PB610 Panel Builder 600 versions 2.8.0.424 and earlier fails to validate the content-length field for HTTP requests, exposing HMISimulator to denial of service via crafted HTTP requests manipulating the content-length setting...

SUSE-SU-2026:20047-1 Security update for python311

This update for python311 fixes the following issues: - CVE-2025-12084: cpython: Fixed quadratic algorithm in xml.dom.minidom leading to denial of service bsc1254997 - CVE-2025-13836: Fixed default Content-Lenght read amount from HTTP response bsc1254400 - CVE-2025-13837: Fixed plistlib module...

CVE-2019-16792

Waitress through version 1.3.1 allows request smuggling by sending the Content-Length header twice. Waitress would header fold a double Content-Length header and due to being unable to cast the now comma separated value to an integer would set the Content-Length to 0 internally. If two...

openSUSE 15: libpython3_12-1_0 / libpython3_12-1_0-32bit / python312 / etc (SUSE-SU-2026:0025-1)

The remote openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0025-1 advisory. - CVE-2025-12084: quadratic complexity when building nested elements using xml.dom.minidom methods that depend on clearidcache can lead to availabili...

SUSE SLED15: libpython3_6m1_0 / libpython3_6m1_0-32bit / python3 / python3-base / etc (SUSE-SU-2026:0027-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0027-1 advisory. - CVE-2025-12084: cpython: Fixed quadratic algorithm in xml.dom.minidom leading to denial of...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the startSessionHandler function. An attacker can cause excessive memory consumption and crash the server by sending unauthenticated HTTP requests with a specially crafted nonce a...

Security update for python3

This update for python3 fixes the following issues: CVE-2025-12084: cpython: Fixed quadratic algorithm in xml.dom.minidom leading to denial of service bsc1254997 CVE-2025-13836: Fixed default Content-Lenght read amount from HTTP response bsc1254400 CVE-2025-13837: Fixed plistlib module denial of...

SUSE-SU-2026:0027-1 Security update for python3

This update for python3 fixes the following issues: - CVE-2025-12084: cpython: Fixed quadratic algorithm in xml.dom.minidom leading to denial of service bsc1254997 - CVE-2025-13836: Fixed default Content-Lenght read amount from HTTP response bsc1254400 - CVE-2025-13837: Fixed plistlib module deni...

Security update for python312

This update for python312 fixes the following issues: CVE-2025-12084: quadratic complexity when building nested elements using xml.dom.minidom methods that depend on clearidcache can lead to availability issues when building excessively nested documents bsc1254997. CVE-2025-13836: use of...

SUSE-SU-2026:0024-1 Security update for python313

This update for python313 fixes the following issues: Update to version 3.13.11. Security issues fixed: - CVE-2025-12084: quadratic complexity when building nested elements using xml.dom.minidom methods that depend on clearidcache can lead to availability issues when building excessively nested...

[SECURITY] Fedora 43 Update: nginx-mod-headers-more-0.39-4.fc43

This module allows adding, setting, or clearing specified input/output header s. This is an enhanced version of the standard headers module because it provides more utilities like resetting or clearing "builtin headers" like Content-Type, Content-Length, and Server...

PT-2026-23085

Name of the Vulnerable Software and Affected Versions libsoup versions 2.4.1-2.74.3 through 2.4.1-2.74.3-17.1 libsoup versions 3.0.0-3.6.6 through 3.0.0-3.6.6-1.1 Description The libsoup library contains flaws related to HTTP/1 request smuggling. Specifically, the soup headers parse function...

SUSE SLES12: libpython3_6m1_0 / libpython3_6m1_0-32bit / python36 / etc (SUSE-SU-2025:4539-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:4539-1 advisory. - CVE-2025-12084: quadratic complexity when building nested elements using xml.dom.minidom methods that depend on clearidcache can lead to...

SUSE SLES12: libpython3_4m1_0 / libpython3_4m1_0-32bit / python3 / python3-base / etc (SUSE-SU-2025:4538-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:4538-1 advisory. - CVE-2025-12084: cpython: Fixed quadratic algorithm in xml.dom.minidom leading to denial of service bsc1254997 - CVE-2025-13836: Fixed default...