urllib3: urllib3: Unbounded decompression chain leads to resource exhaustion

A flaw was found in urllib3 Python library that could lead to a Denial of Service condition. A remote, malicious server can exploit this flaw by responding to a client request with an HTTP message that uses an excessive number of chained compression algorithms. This unlimited decompression chain...

Important: Red Hat Security Advisory: python-urllib3 security update

An update for python-urllib3 is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating,...

urllib3: urllib3: Unbounded decompression chain leads to resource exhaustion

A flaw was found in urllib3 Python library that could lead to a Denial of Service condition. A remote, malicious server can exploit this flaw by responding to a client request with an HTTP message that uses an excessive number of chained compression algorithms. This unlimited decompression chain...

Important: Red Hat Security Advisory: python-urllib3 security update

An update for python-urllib3 is now available for Red Hat Enterprise Linux 9.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

Security Bulletin: The IBM Maximo Application Suite IoT component uses "urllib3-2.5.0-py3-none-any.whl" which are vulnerable to "CVE-2025-66418, CVE-2025-66471".

Summary The IBM Maximo Application Suite IoT component uses "urllib3-2.5.0-py3-none-any.whl" which are vulnerable to "CVE-2025-66418, CVE-2025-66471". This bulletin contains information regarding the vulnerabilities and how they are addressed. Vulnerability Details CVEID:CVE-2025-66418 DESCRIPTIO...

urllib3: urllib3: Unbounded decompression chain leads to resource exhaustion

A flaw was found in urllib3 Python library that could lead to a Denial of Service condition. A remote, malicious server can exploit this flaw by responding to a client request with an HTTP message that uses an excessive number of chained compression algorithms. This unlimited decompression chain...

Important: Red Hat Security Advisory: python3.12-urllib3 security update

An update for python3.12-urllib3 is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

urllib3: urllib3: Unbounded decompression chain leads to resource exhaustion

A flaw was found in urllib3 Python library that could lead to a Denial of Service condition. A remote, malicious server can exploit this flaw by responding to a client request with an HTTP message that uses an excessive number of chained compression algorithms. This unlimited decompression chain...

Important: Red Hat Security Advisory: python-urllib3 security update

An update for python-urllib3 is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating,...

RHEL 8 : fence-agents (RHSA-2026:1701)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:1701 advisory. The fence-agents packages provide a collection of scripts for handling remote power management for cluster devices. They allow failed or unreachable...

OESA-2026-1251 python-urllib3 security update

HTTP library with thread-safe connection pooling, file post support, sanity friendly, and more. Security Fixes: urllib3 is a user-friendly HTTP client library for Python. Starting in version 1.24 and prior to 2.6.0, the number of links in the decompression chain was unbounded allowing a malicious...

GHSA-H5QV-QJV4-PC5M Unfurl's unbounded zlib decompression allows decompression bomb DoS

Summary The compressed data parser uses zlib.decompress without a maximum output size. A small, highly compressed payload can expand to a very large output, causing memory exhaustion and denial of service. Details - unfurl/parsers/parsecompressed.py calls zlib.decompressdecoded with no size limit...

AlmaLinux 8 : python-urllib3 (ALSA-2026:1254)

The remote AlmaLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:1254 advisory. urllib3: urllib3: Unbounded decompression chain leads to resource exhaustion CVE-2025-66418 urllib3: urllib3 Streaming API improperly handles highly...

MiracleLinux 9 : python3.12-urllib3-1.26.19-1.el9_7.1 (AXSA:2026-094:02)

The remote MiracleLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2026-094:02 advisory. urllib3: urllib3: Unbounded decompression chain leads to resource exhaustion CVE-2025-66418 urllib3: urllib3 Streaming API improperly handles highly...

Next.js has Unbounded Memory Consumption via PPR Resume Endpoint

A denial of service vulnerability exists in Next.js versions with Partial Prerendering PPR enabled when running in minimal mode. The PPR resume endpoint accepts unauthenticated POST requests with the Next-Resume: 1 header and processes attacker-controlled postponed state data. Two closely related...

urllib3: urllib3: Unbounded decompression chain leads to resource exhaustion

A flaw was found in urllib3 Python library that could lead to a Denial of Service condition. A remote, malicious server can exploit this flaw by responding to a client request with an HTTP message that uses an excessive number of chained compression algorithms. This unlimited decompression chain...

MiracleLinux 8 : python3.11-urllib3-1.26.12-6.el8_10 (AXSA:2026-088:01)

The remote MiracleLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2026-088:01 advisory. urllib3: urllib3: Unbounded decompression chain leads to resource exhaustion CVE-2025-66418 urllib3: urllib3 Streaming API improperly handles highly...

Important: Red Hat Security Advisory: resource-agents security update

An update for resource-agents is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common...

urllib3: urllib3: Unbounded decompression chain leads to resource exhaustion

A flaw was found in urllib3 Python library that could lead to a Denial of Service condition. A remote, malicious server can exploit this flaw by responding to a client request with an HTTP message that uses an excessive number of chained compression algorithms. This unlimited decompression chain...

urllib3: urllib3: Unbounded decompression chain leads to resource exhaustion

A flaw was found in urllib3 Python library that could lead to a Denial of Service condition. A remote, malicious server can exploit this flaw by responding to a client request with an HTTP message that uses an excessive number of chained compression algorithms. This unlimited decompression chain...