Elastic APM Server 8.x < 8.19.20 / 9.0.x < 9.4.5 / 9.5.x < 9.5.1 DoS (ESA-2026-152)

The version of Elastic APM Server installed on the remote host is 8.x prior to 8.19.20, or 9.0.x prior to 9.4.5, or 9.5.x prior to 9.5.1. It is, therefore, affected by a vulnerability as referenced in the ESA-2026-152 advisory. - Improper Handling of Highly Compressed Data CWE-409 in APM Server c...

Security Bulletin: IBM App Connect Enterprise Certified Container UBI updates

Summary IBM App Connect Enterprise Certified Container ACEcc is built on the Red Hat Universal Base Images. ACEcc operator versions 12.0.26 and 13.4.0 contain fixes to the listed CVEs found in the base images. This bulletin provides patch information to address the reported vulnerabilities...

http4k: Unbounded gzip decompression in `ServerFilters.GZip` / `RequestFilters.GunZip` allowed memory-exhaustion DoS

Impact ServerFilters.GZip and RequestFilters.GunZip and the underlying Gzip functions used to decompress request bodies did not impose any cap on the decompressed size. A small malicious gzip-encoded request body on the order of kilobytes could decompress to gigabytes, exhausting the JVM heap and...

GHSA-G4W2-6H2R-3M3W http4k: Unbounded gzip decompression in `ServerFilters.GZip` / `RequestFilters.GunZip` allowed memory-exhaustion DoS

Impact ServerFilters.GZip and RequestFilters.GunZip and the underlying Gzip functions used to decompress request bodies did not impose any cap on the decompressed size. A small malicious gzip-encoded request body on the order of kilobytes could decompress to gigabytes, exhausting the JVM heap and...

PT-2026-76889

Impact ServerFilters.GZip and RequestFilters.GunZip and the underlying Gzip functions used to decompress request bodies did not impose any cap on the decompressed size. A small malicious gzip-encoded request body on the order of kilobytes could decompress to gigabytes, exhausting the JVM heap and...

avro-oom-compression-poc

Avro Decompression Bomb PoC CWE-409 Proof of concept demons...

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...

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...

Security Bulletin: Vulnerability in Netty affects IBM Netezza Appliance

Summary The Netty package is used by IBM Netezza Appliance . IBM Netezza Appliance has addressed the applicable CVE CVE-2025-58057 Vulnerability Details CVEID:CVE-2025-58057 DESCRIPTION: Netty is an asynchronous event-driven network application framework for rapid development of maintainable high...

SUSE SLES15: libprotobuf-lite20 / python2-cryptography / python2-psutil / etc (SUSE-SU-2023:2783-2)

The remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:2783-2 advisory. grpc: - Update in SLE-15 bsc1197726, bsc1144068 protobuf: - Fix a potential DoS issue in protobuf-cpp and protobuf-python, CVE-2022-1941,...

SUSE SLES15: libprotobuf-lite20 / python2-cryptography / python2-psutil / etc (SUSE-SU-2023:2783-1)

The remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:2783-1 advisory. grpc: - Update in SLE-15 bsc1197726, bsc1144068 protobuf: - Fix a potential DoS issue in protobuf-cpp and protobuf-python, CVE-2022-1941,...

websockets is vulnerable to denial of service by memory exhaustion

The Python websockets library version 4 contains a CWE-409: Improper Handling of Highly Compressed Data Data Amplification vulnerability in Servers and clients, unless configured with compression=None that can result in Denial of Service by memory exhaustion. This attack appears to be exploitable...

GHSA-6G87-FF9Q-V847 websockets is vulnerable to denial of service by memory exhaustion

The Python websockets library version 4 contains a CWE-409: Improper Handling of Highly Compressed Data Data Amplification vulnerability in Servers and clients, unless configured with compression=None that can result in Denial of Service by memory exhaustion. This attack appears to be exploitable...

CVE-2018-1000518

aaugustin websockets version 4 contains a CWE-409: Improper Handling of Highly Compressed Data Data Amplification vulnerability in Servers and clients, unless configured with compression=None that can result in Denial of Service by memory exhaustion. This attack appear to be exploitable via Sendi...

CVE-2018-1000518

aaugustin websockets version 4 contains a CWE-409: Improper Handling of Highly Compressed Data Data Amplification vulnerability in Servers and clients, unless configured with compression=None that can result in Denial of Service by memory exhaustion. This attack appear to be exploitable via Sendi...

Design/Logic Flaw

aaugustin websockets version 4 contains a CWE-409: Improper Handling of Highly Compressed Data Data Amplification vulnerability in Servers and clients, unless configured with compression=None that can result in Denial of Service by memory exhaustion. This attack appear to be exploitable via Sendi...

PYSEC-2018-79

aaugustin websockets version 4 contains a CWE-409: Improper Handling of Highly Compressed Data Data Amplification vulnerability in Servers and clients, unless configured with compression=None that can result in Denial of Service by memory exhaustion. This attack appear to be exploitable via Sendi...

CVE-2018-1000518

CVE-2018-1000518 concerns a vulnerability in the Python websockets library (aaugustin websockets) where version 4 allows a Denial of Service via memory exhaustion. The issue arises from improper handling of highly compressed data (Data Amplification, CWE-409) when compression is enabled (i.e., no...

CVE-2018-1000518

aaugustin websockets version 4 contains a CWE-409: Improper Handling of Highly Compressed Data Data Amplification vulnerability in Servers and clients, unless configured with compression=None that can result in Denial of Service by memory exhaustion. This attack appear to be exploitable via Sendi...