USN-7927-1: urllib3 vulnerabilities

Illia Volochii discovered that urllib3 did not limit the steps in a decompression chain. An attacker could possibly use this issue to cause urllib3 to use excessive resources, causing a denial of service. CVE-2025-66418 Rui Xi discovered that urllib3 incorrectly handled highly compressed data. An...

USN-7927-1 python-urllib3 vulnerabilities

Illia Volochii discovered that urllib3 did not limit the steps in a decompression chain. An attacker could possibly use this issue to cause urllib3 to use excessive resources, causing a denial of service. CVE-2025-66418 Rui Xi discovered that urllib3 incorrectly handled highly compressed data. An...

Fedora 43 : brotli / perl-Alien-Brotli / python-urllib3 (2025-d93200cf16)

The remote Fedora 43 host has packages installed that are affected by multiple vulnerabilities as referenced in the FEDORA-2025-d93200cf16 advisory. Update brotli to 1.2.0 and python-urllib3 to 2.6.1. In python-urllib3: - Fixed a security issue where streaming API could improperly handle highly...

Security Bulletin: Netty Affected by Decompression Flaw Where BrotliDecoder Allocates Unlimited Buffers, Enabling DoS, affects watsonx.data

Summary Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. In netty-codec-compression versions 4.1.124.Final and below, and netty-codec versions 4.2.4.Final and below, when supplied with specially...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: brotli (UTSA-2025-991041)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-991041 advisory. Scrapy versions up to 2.13.2 are vulnerable to a denial of service DoS attack due to a flaw in its brotli decompression implementation. The protection mechanism...

Improper Handling of Highly Compressed Data (Data Amplification)

Overview urllib3 is a HTTP library with thread-safe connection pooling, file post, and more. Affected versions of this package are vulnerable to Improper Handling of Highly Compressed Data Data Amplification in the Streaming API. The ContentDecoder class can be forced to allocate disproportionate...

ROS-20251125-10

The vulnerability of the Brotli data compression algorithm is related to a flaw in the mechanism for checking the size of copied data. data. Exploitation of the vulnerability could allow an attacker acting remotely to compromise the integrity of the data integrity, as well as cause a denial of...

MAL-2025-191087 Malicious code in esbuild-plugin-brotli (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 3297dd1fa55908191d232d7ae6e086066d65d1676c5e1d50b624a84ba1083a11 The package esbuild-plugin-brotli was found to contain malicious code. Source: ghsa-malware...

EUVD-2025-199159

Malicious code in esbuild-plugin-brotli npm...

Malicious code in esbuild-plugin-brotli (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 3297dd1fa55908191d232d7ae6e086066d65d1676c5e1d50b624a84ba1083a11 The package esbuild-plugin-brotli was found to contain malicious code. Source: ghsa-malware...

CVE-2025-64508

Bugsink is a self-hosted error tracking tool. In versions prior to 2.0.5, brotli "bombs" highly compressed brotli streams, such as many zeros can be sent to the server. Since the server will attempt to decompress these streams before applying various maximums, this can lead to exhaustion of the...

OESA-2025-2669 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...

OESA-2025-2671 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...

OESA-2025-2667 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...

OESA-2025-2668 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...

OESA-2025-2670 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...

EUVD-2025-50819

Bugsink is vulnerable to unauthenticated remote DoS via crafted Brotli input via CPU...

Bugsink is vulnerable to unauthenticated remote DoS via crafted Brotli input (via CPU)

Impact In affected versions, a specially crafted Brotli-compressed envelope can cause Bugsink to spend excessive CPU time in decompression, leading to denial of service. This can be done if the DSN is known, which it is in many common setups JavaScript, Mobile Apps. Patches Patched in Bugsink 2.0...

GHSA-RRX3-2X4G-MQ2H Bugsink is vulnerable to unauthenticated remote DoS via crafted Brotli input (via CPU)

Impact In affected versions, a specially crafted Brotli-compressed envelope can cause Bugsink to spend excessive CPU time in decompression, leading to denial of service. This can be done if the DSN is known, which it is in many common setups JavaScript, Mobile Apps. Patches Patched in Bugsink 2.0...

Bugsink is vulnerable to unauthenticated remote DoS via crafted Brotli input

Impact In affected versions, brotli "bombs" highly compressed brotli streams, such as many zeros can be sent to the server. Since the server will attempt to decompress these streams before applying various maximums, this can lead to exhaustion of the available memory and thus a Denial of Service...