OESA-2026-1286 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 1.0 and prior to 2.6.0, the Streaming API improperly handles highly compressed data. urllib3's streaming A...

MiracleLinux 9 : brotli-1.0.9-9.el9_7 (AXSA:2026-148:01)

The remote MiracleLinux 9 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-148:01 advisory. Scrapy: python-scrapy: brotli: Python brotli decompression bomb DoS CVE-2025-6176 Tenable has extracted the preceding description block directly from the...

CVE-2026-25140

apko allows users to build and publish OCI container images built from apk packages. From version 0.14.8 to before 1.1.1, an attacker who controls or compromises an APK repository used by apko could cause resource exhaustion on the build host. The ExpandApk function in...

freerdp: FreeRDP: Heap buffer overflow leading to denial of service and potential code execution from a malicious server.

A flaw was found in FreeRDP, a free implementation of the Remote Desktop Protocol. This vulnerability occurs because the freerdpbitmapdecompressplanar function does not properly validate bitmap dimensions when decompressing planar bitmap data. A malicious server can exploit this by sending...

freerdp: FreeRDP: Heap buffer overflow leading to denial of service and potential code execution from a malicious server.

A flaw was found in FreeRDP, a free implementation of the Remote Desktop Protocol. This vulnerability occurs because the freerdpbitmapdecompressplanar function does not properly validate bitmap dimensions when decompressing planar bitmap data. A malicious server can exploit this by sending...

Scrapy: python-scrapy: brotli: Python brotli decompression bomb DoS

Scrapy are vulnerable to a denial of service DoS attack due to a flaw in its brotli decompression implementation. The protection mechanism against decompression bombs fails to mitigate the brotli variant, allowing remote servers to crash clients with less than 80GB of available memory. This occur...

Important: Red Hat Security Advisory: brotli security update

An update for brotli is now available for Red Hat Enterprise Linux 9. 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 available for each vulnerability from th...

urllib3: urllib3 Streaming API improperly handles highly compressed data

A decompression handling flaw has been discovered in urllib3. When streaming a compressed response, urllib3 can perform decoding or decompression based on the HTTP Content-Encoding header e.g., gzip, deflate, br, or zstd. The library must read compressed data from the network and decompress it...

Amazon Linux 2 : python-pip, --advisory ALAS2-2026-3147 (ALAS-2026-3147)

It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3147 advisory. urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire respon...

RHEL 9 : brotli (RHSA-2026:2042)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:2042 advisory. Brotli is a generic-purpose lossless compression algorithm that compresses data using a combination of a modern variant of the LZ77 algorithm, Huffma...

Amazon Linux 2 : python3-urllib3, --advisory ALAS2-2026-3131 (ALAS-2026-3131)

The version of python3-urllib3 installed on the remote host is prior to 1.25.6-2. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3131 advisory. urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP...

Amazon Linux 2 : python-urllib3, --advisory ALAS2-2026-3156 (ALAS-2026-3156)

The version of python-urllib3 installed on the remote host is prior to 1.25.9-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3156 advisory. urllib3 is a user-friendly HTTP client library for Python. Starting in version 1.24 and prior to 2.6.0, the number...

brotli security update

1.0.9-9 - Resolves: RHEL-133995 Rebuild for CVE-2025-6176 Brotli decompression bomb DoS in scrapy 1.0.9-8 - Resolves: RHEL-133995 CVE-2025-6176 Brotli decompression bomb DoS in scrapy...

AlmaLinux 9 : brotli (ALSA-2026:2042)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:2042 advisory. Scrapy: python-scrapy: brotli: Python brotli decompression bomb DoS CVE-2025-6176 Tenable has extracted the preceding description block directly from the AlmaLinux...

Oracle Linux 9 : brotli (ELSA-2026-2042)

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-2042 advisory. - Resolves: RHEL-133995 Rebuild for CVE-2025-6176 Brotli decompression bomb DoS in scrapy Tenable has extracted the preceding description block directly from th...

Amazon Linux 2023 : python3-urllib3 (ALAS2023-2026-1418)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1418 advisory. 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 server...

Amazon Linux 2023 : python3-pip, python3-pip-wheel (ALAS2023-2026-1416)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1416 advisory. urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire...

Amazon Linux 2023 : python3.13-pip, python3.13-pip-wheel (ALAS2023-2026-1413)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1413 advisory. urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than loading the entire...

ALSA-2026:2042 Important: brotli security update

Brotli is a generic-purpose lossless compression algorithm that compresses data using a combination of a modern variant of the LZ77 algorithm, Huffman coding and 2nd order context modeling, with a compression ratio comparable to the best currently available general-purpose compression methods. It...

Medium: python-urllib3

Issue Overview: 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 server to insert a virtually unlimited number of compression steps leading to high CPU usage an...