GHSA-G9MF-H72J-4RW9 Undici has an unbounded decompression chain in HTTP responses on Node.js Fetch API via Content-Encoding leads to resource exhaustion

Impact The fetch API supports chained HTTP encoding algorithms for response content according to RFC 9110 e.g., Content-Encoding: gzip, br. This is also supported by the undici decompress interceptor. However, the number of links in the decompression chain is unbounded and the default maxHeaderSi...

Undici has an unbounded decompression chain in HTTP responses on Node.js Fetch API via Content-Encoding leads to resource exhaustion

Impact The fetch API supports chained HTTP encoding algorithms for response content according to RFC 9110 e.g., Content-Encoding: gzip, br. This is also supported by the undici decompress interceptor. However, the number of links in the decompression chain is unbounded and the default maxHeaderSi...

Allocation of Resources Without Limits or Throttling

Overview undici is an An HTTP/1.1 client, written from scratch for Node.js Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the decompression chain. An attacker can cause high CPU usage and excessive memory allocation by sending HTTP...

Allocation of Resources Without Limits or Throttling

Overview org.webjars.npm:undici is an An HTTP/1.1 client, written from scratch for Node.js Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via the decompression chain. An attacker can cause high CPU usage and excessive memory allocation by...

EUVD-2026-2422

Undici is an HTTP/1.1 client for Node.js. Prior to 7.18.0 and 6.23.0, the number of links in the decompression chain is unbounded and the default maxHeaderSize allows a malicious server to insert thousands compression steps leading to high CPU usage and excessive memory allocation. This...

CVE-2026-22036 Undici has an unbounded decompression chain in HTTP responses on Node.js Fetch API via Content-Encoding leads to resource exhaustion

Undici is an HTTP/1.1 client for Node.js. Prior to 7.18.0 and 6.23.0, the number of links in the decompression chain is unbounded and the default maxHeaderSize allows a malicious server to insert thousands compression steps leading to high CPU usage and excessive memory allocation. This...

CVE-2026-22036 Undici has an unbounded decompression chain in HTTP responses on Node.js Fetch API via Content-Encoding leads to resource exhaustion

Undici is an HTTP/1.1 client for Node.js. Prior to 7.18.0 and 6.23.0, the number of links in the decompression chain is unbounded and the default maxHeaderSize allows a malicious server to insert thousands compression steps leading to high CPU usage and excessive memory allocation. This...

CVE-2026-22036 Undici has an unbounded decompression chain in HTTP responses on Node.js Fetch API via Content-Encoding leads to resource exhaustion

Undici is an HTTP/1.1 client for Node.js. Prior to 7.18.0 and 6.23.0, the number of links in the decompression chain is unbounded and the default maxHeaderSize allows a malicious server to insert thousands compression steps leading to high CPU usage and excessive memory allocation. This...

SUSE CVE-2026-22776

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.1, a Denial of Service DoS vulnerability exists in cpp-httplib due to the unsafe handling of compressed HTTP request bodies Content-Encoding: gzip, br, etc.. The library validates the...

CVE-2026-22776

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.1, a Denial of Service DoS vulnerability exists in cpp-httplib due to the unsafe handling of compressed HTTP request bodies Content-Encoding: gzip, br, etc.. The library validates the...

CVE-2026-22776

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.1, a Denial of Service DoS vulnerability exists in cpp-httplib due to the unsafe handling of compressed HTTP request bodies Content-Encoding: gzip, br, etc.. The library validates the...

CVE-2026-22776 cpp-httplib vulnerable to a denial of service (DOS) using a zip bomb

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.1, a Denial of Service DoS vulnerability exists in cpp-httplib due to the unsafe handling of compressed HTTP request bodies Content-Encoding: gzip, br, etc.. The library validates the...

CVE-2026-22776: Improper Handling of Highly Compressed Data (Data Amplification)

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.30.1, a Denial of Service DoS vulnerability exists in cpp-httplib due to the unsafe handling of compressed HTTP request bodies Content-Encoding: gzip, br, etc.. The library validates the...

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...

Node.js: Unbounded decompression chain in HTTP responses on Node.js Fetch API via Content-Encoding leads to resource exhaustion

A vulnerability was discovered in the Fetch API of Node.js that allowed an unbounded number of links in the decompression chain for HTTP responses. This could lead to resource exhaustion, as the default maxHeaderSize allowed a malicious server to insert thousands of compression steps, resulting i...

urllib3 allows an unbounded number of links in the decompression chain

Impact urllib3 supports chained HTTP encoding algorithms for response content according to RFC 9110 e.g., Content-Encoding: gzip, zstd. However, the number of links in the decompression chain was unbounded allowing a malicious server to insert a virtually unlimited number of compression steps...

AZL-71849 CVE-2025-66471 affecting package python-urllib3 1.26.19-3

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 API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than...

UBUNTU-CVE-2025-66471

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 API is designed for the efficient handling of large HTTP responses by reading the content in chunks, rather than...

EUVD-2022-5067

Malicious code in bioql PyPI...

Denial Of Service (DoS)

@hapi/subtext is vulnerable to Denial Of Service DoS. The vulnerability is due to improper parsing of the Content-Encoding HTTP header, which causes a system error on invalid values and is rethrown up the stack without handling, allowing an attacker to crash the application and shut down services...