Decompression Bomb

Overview urllib3 is a HTTP library with thread-safe connection pooling, file post, and more. Affected versions of this package are vulnerable to Decompression Bomb either in HTTPResponse.read when Brotli is in use, or when HTTPResponse.drainconn is called after partial decompression has begun. An...

GHSA-MF9V-MFXR-J63J urllib3: Decompression-bomb safeguards bypassed in parts of the streaming API

Impact 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 response body into memory at once. urllib3 can perform decompression based on the HTTP Content-Encoding header e.g., gzip, deflate, br, or...

Improper Handling of Highly Compressed Data (Data Amplification)

Overview io.netty:netty-codec-http2 is a HTTP2 sub package for the netty library, an event-driven asynchronous network application framework. Affected versions of this package are vulnerable to Improper Handling of Highly Compressed Data Data Amplification in the HttpContentDecompressor and...

Netty: HttpContentDecompressor maxAllocation bypass when Content-Encoding set to br/zstd/snappy leads to decompression bomb DoS

Summary HttpContentDecompressor accepts a maxAllocation parameter to limit decompression buffer size and prevent decompression bomb attacks. This limit is correctly enforced for gzip and deflate encodings via ZlibDecoder, but is silently ignored when the content encoding is br Brotli, zstd, or...

Improper Handling of Highly Compressed Data (Data Amplification)

Overview Affected versions of this package are vulnerable to Improper Handling of Highly Compressed Data Data Amplification in the HttpContentDecompressor and DelegatingDecompressorFrameListener components when the Content-Encoding header is set to br, zstd, or snappy. An attacker can exhaust...

GHSA-F6HV-JMP6-3VWV Netty: HttpContentDecompressor maxAllocation bypass when Content-Encoding set to br/zstd/snappy leads to decompression bomb DoS

Summary HttpContentDecompressor accepts a maxAllocation parameter to limit decompression buffer size and prevent decompression bomb attacks. This limit is correctly enforced for gzip and deflate encodings via ZlibDecoder, but is silently ignored when the content encoding is br Brotli, zstd, or...

PT-2026-39666

Name of the Vulnerable Software and Affected Versions urllib3 versions 2.6.0 through 2.6.x Description An issue exists in the streaming API where the library may decompress an entire HTTP response instead of the requested portion. This occurs in two scenarios: during the second...

PT-2026-38379

Name of the Vulnerable Software and Affected Versions Netty versions prior to 4.1.133.Final Netty versions prior to 4.2.13.Final Description HttpContentDecompressor and DelegatingDecompressorFrameListener used for HTTP/2 connections utilize a maxAllocation parameter to limit decompression buffer...

Fedora 44 : nginx / nginx-mod-brotli / nginx-mod-fancyindex / etc (2026-4de4d247a0)

The remote Fedora 44 host has packages installed that are affected by multiple vulnerabilities as referenced in the FEDORA-2026-4de4d247a0 advisory. nginx-mod-brotli: - Rebuild for 1.28.3 nginx-mod-fancyindex: - Rebuild for 1.28.3 nginx-mod-naxsi: - Rebuild for 1.28.3 nginx-mod-headers-more: -...

Security Bulletin: Vulnerability in brotli affects IBM Netezza Appliance

Summary The brotli package is used by IBM Netezza Appliance . IBM Netezza Appliance has addressed the applicable CVE CVE-2025-6176 Vulnerability Details CVEID:CVE-2025-6176 DESCRIPTION: Scrapy versions up to 2.13.2 are vulnerable to a denial of service DoS attack due to a flaw in its brotli...

[SECURITY] Fedora 44 Update: nginx-mod-brotli-1.0.0~rc-7.fc44

NGINX module for Brotli compression...

Security Bulletin: Muliple security vulnerabilities found in IBM CICS TX Standard.

Summary Multiple security vulnerabilities found in IBM CICS TX Standard. An update to IBM CICS TX Standard has been released to address multiple vulnerabilities in brotli, gnutls, libssh, openssl, curl, binutils, gnupg2, glib2 packages. Vulnerability Details CVEID:CVE-2025-9230 DESCRIPTION: Issue...

Security Bulletin: ELM on Hybrid Cloud vulnerabilities addressed in 2.0.0

Summary This release addresses security vulnerabilities in application and operator images of ELM on Hybrid cloud offering. Identified vulnerabilities identified below relate to the underlying OS packages and language dependencies which impacts the product within the deployed environment. One of...

SUSE SLES12 Security Update : python-urllib3 (SUSE-SU-2026:1412-1)

The remote SUSE Linux SLES12 / SLESSAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1412-1 advisory. Security issues: - CVE-2025-66418: resource exhaustion via unbounded number of links in the decompression chain bsc1254866. -...

SUSE-SU-2026:1412-1 Security update for python-urllib3

This update for python-urllib3 fixes the following issues: Security issues: - CVE-2025-66418: resource exhaustion via unbounded number of links in the decompression chain bsc1254866. - CVE-2025-66471: excessive resource consumption via decompression of highly compressed data in Streaming API...

Security update for python-urllib3

This update for python-urllib3 fixes the following issues: Security issues: CVE-2025-66418: resource exhaustion via unbounded number of links in the decompression chain bsc1254866. CVE-2025-66471: excessive resource consumption via decompression of highly compressed data in Streaming API...

Security Bulletin: Vulnerability in brotli affects IBM Netezza Appliance

Summary The brotli package is used by IBM Netezza Appliance . IBM Netezza Appliance has addressed the applicable CVE CVE-2025-6176 Vulnerability Details CVEID:CVE-2025-6176 DESCRIPTION: Scrapy versions up to 2.13.2 are vulnerable to a denial of service DoS attack due to a flaw in its brotli...

Security Bulletin: IBM Watson Speech Services Cartridge is vulnerable to a denial of service in the Base OS image package: Scrapy [CVE-2025-6176]

Summary IBM Watson Speech Services Cartridge is vulnerable to a denial of service in the Base OS image package: Scrapy, due to a flaw in its brotli decompression implementation. CVE-2025-6176. We have updated the base image used by our Speech Services and the following vulnerability has been...

Nutanix AHV : Multiple Vulnerabilities (NXSA-AHV-10.3.1.5)

The version of AHV installed on the remote host is prior to 10.3.1.5. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AHV-10.3.1.5 advisory. - urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTT...

Fedora 44 : cpp-httplib (2026-03599f0b32)

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-03599f0b32 advisory. Update to 0.38.0 rhbz2447261 - Filename sanitization for path traversal prevention Added sanitizefilename to prevent path traversal attacks via malicious...