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...

libarchive: Infinite Loop Denial of Service in RAR5 Decompression via archive_read_data() in libarchive

A flaw was identified in the RAR5 archive decompression logic of the libarchive library, specifically within the archivereaddata processing path. When a specially crafted RAR5 archive is processed, the decompression routine may enter a state where internal logic prevents forward progress. This...

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...

PT-2026-33882

Name of the Vulnerable Software and Affected Versions OpenBao versions prior to 2.5.3 Description The OCI plugin downloader contains an issue in the ExtractPluginFromImage function where plugin binaries are extracted from container images by streaming decompressed tar data via io.Copy without a...

MiracleLinux 8 : resource-agents-4.9.0-54.el8_10.27 (AXSA:2026-456:03)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-456:03 advisory. urllib3: urllib3: Unbounded decompression chain leads to resource exhaustion CVE-2025-66418 urllib3: urllib3 Streaming API improperly handles highly...

BIT-PILLOW-2026-40192 Pillow is vulnerable to a FITS GZIP decompression bomb

Pillow is a Python imaging library. Versions 10.3.0 through 12.1.1 did not limit the amount of GZIP-compressed data read when decoding a FITS image, making them vulnerable to decompression bomb attacks. A specially crafted FITS file could cause unbounded memory consumption, leading to denial of...

Decompression Bomb

Pillow is vulnerable to Decompression bomb attacks. The vulnerability is due to not limiting the amount of GZIP-compressed data read when decoding a FITS image, where a specially crafted FITS file could cause unbounded memory consumption, and attackers can exploit it by providing maliciously...

python: Python: Arbitrary code execution or information disclosure via use-after-free in decompression modules

A flaw was found in Python's decompression modules, including lzma.LZMADecompressor, bz2.BZ2Decompressor, and gzip.GzipFile. This vulnerability, a use-after-free, can occur if a program attempts to re-use a decompression object after a memory allocation error, especially when the system is...

python: Python: Arbitrary code execution or information disclosure via use-after-free in decompression modules

A flaw was found in Python's decompression modules, including lzma.LZMADecompressor, bz2.BZ2Decompressor, and gzip.GzipFile. This vulnerability, a use-after-free, can occur if a program attempts to re-use a decompression object after a memory allocation error, especially when the system is...

OESA-2026-1944 libarchive security update

is an open-source BSD-licensed C programming library that provides streaming access to a variety of different archive formats, including tar, cpio, pax, zip, and ISO9660 images. The distribution also includes bsdtar and bsdcpio, full-featured implementations of tar and cpio that use . Security...

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. -...

Security Bulletin: IBM Watson Discovery Cartridge affected by vulnerability in urllib3-1.26.20-py2.py3-none-any.whl

Summary IBM Watson Discovery Cartridge affected by vulnerability in urllib3-1.26.20-py2.py3-none-any.whl Vulnerability Details CVEID:CVE-2026-21441 DESCRIPTION: urllib3 is an HTTP client library for Python. urllib3's streaming API is designed for the efficient handling of large HTTP responses by...

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: IBM SOAR QRadar Plugin App is vulnerable to using components with known vulnerabilities

Summary The product includes vulnerable components e.g., framework libraries that may be identified and exploited with automated tools. IBM SOAR QRadar Plugin App has addressed the applicable CVEs with an update. Vulnerability Details CVEID:CVE-2025-66418 DESCRIPTION: urllib3 is a user-friendly...

Out-of-bounds Write

Overview Affected versions of this package are vulnerable to Out-of-bounds Write through the MakeTable in the decompression routine when bit-length values from a crafted firmware blob exceed the expected range, leading to stack memory corruption in the Count array and related decode tables. An...

Linux Distros Unpatched Vulnerability : CVE-2026-40192

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Pillow is a Python imaging library. Versions 10.3.0 through 12.1.1 did not limit the amount of GZIP- compressed data read when decoding a FITS image, making the...

AlmaLinux 8 : fence-agents (ALSA-2026:1240)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:1240 advisory. urllib3: urllib3: Unbounded decompression chain leads to resource exhaustion CVE-2025-66418 urllib3: urllib3 Streaming API improperly handles highly...

RHEL 8 : fence-agents (RHSA-2026:1240)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:1240 advisory. The fence-agents packages provide a collection of scripts for handling remote power management for cluster devices. They allow failed or...

AlmaLinux 8 : resource-agents (ALSA-2026:1241)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:1241 advisory. urllib3: urllib3: Unbounded decompression chain leads to resource exhaustion CVE-2025-66418 urllib3: urllib3 Streaming API improperly handles highly...