Oracle Linux 9 : jmc (ELSA-2026-20568)

The remote Oracle Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2026-20568 advisory. 8.2.0-5 - Remove the websocket plugin. Related: RHEL-168615 8.2.0-4 - Bump LZ4 Version to 1.10.2. Related: RHEL-135478 Tenable has extracted the...

CVE-2026-48109

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.301 and 3.1.7, A vulnerability exists in the optional LZ4 decompression path used by MessagePack compression modes Lz4Block and Lz4BlockArray. The decoder implementation is based on a deprecated fast-decompression algorithm that do...

CVE-2026-48109 MessagePack-CSharp: LZ4 decompression may fail with AccessViolationException after dereferencing memory from bad input

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.301 and 3.1.7, A vulnerability exists in the optional LZ4 decompression path used by MessagePack compression modes Lz4Block and Lz4BlockArray. The decoder implementation is based on a deprecated fast-decompression algorithm that do...

CVE-2026-48109

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.301 and 3.1.7, A vulnerability exists in the optional LZ4 decompression path used by MessagePack compression modes Lz4Block and Lz4BlockArray. The decoder implementation is based on a deprecated fast-decompression algorithm that do...

CVE-2026-48109

CVE-2026-48109 affects MessagePack-CSharp in the optional LZ4 decompression path (Lz4Block, Lz4BlockArray). The vulnerability stems from a deprecated fast-decompression algorithm that does not enforce a source-length bound, enabling a remote attacker to craft payloads with manipulated LZ4 token/l...

EUVD-2026-38390

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.301 and 3.1.7, A vulnerability exists in the optional LZ4 decompression path used by MessagePack compression modes Lz4Block and Lz4BlockArray. The decoder implementation is based on a deprecated fast-decompression algorithm that do...

CVE-2026-48109 MessagePack-CSharp: LZ4 decompression may fail with AccessViolationException after dereferencing memory from bad input

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.301 and 3.1.7, A vulnerability exists in the optional LZ4 decompression path used by MessagePack compression modes Lz4Block and Lz4BlockArray. The decoder implementation is based on a deprecated fast-decompression algorithm that do...

CVE-2026-48109 MessagePack-CSharp: LZ4 decompression may fail with AccessViolationException after dereferencing memory from bad input

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.301 and 3.1.7, A vulnerability exists in the optional LZ4 decompression path used by MessagePack compression modes Lz4Block and Lz4BlockArray. The decoder implementation is based on a deprecated fast-decompression algorithm that do...

CVE-2026-48510 MessagePack-CSharp: LZ4 decompression allocates from unbounded declared output lengths

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.301 and 3.1.7, when MessagePack-CSharp decompresses Lz4Block or Lz4BlockArray payloads, it reads declared uncompressed lengths from the wire and allocates output buffers based on those lengths before validating that the compressed...

CVE-2026-48510

CVE-2026-48510 affects MessagePack-CSharp (C#) prior to 2.5.301 and 3.1.7. When decompressing Lz4Block or Lz4BlockArray payloads, the library reads declared uncompressed lengths from the wire and allocates output buffers before validating the data, allowing a small payload to trigger a large allo...

CVE-2026-48510 MessagePack-CSharp: LZ4 decompression allocates from unbounded declared output lengths

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.301 and 3.1.7, when MessagePack-CSharp decompresses Lz4Block or Lz4BlockArray payloads, it reads declared uncompressed lengths from the wire and allocates output buffers based on those lengths before validating that the compressed...

CVE-2026-48510 MessagePack-CSharp: LZ4 decompression allocates from unbounded declared output lengths

MessagePack for C is a MessagePack serializer for C. Prior to 2.5.301 and 3.1.7, when MessagePack-CSharp decompresses Lz4Block or Lz4BlockArray payloads, it reads declared uncompressed lengths from the wire and allocates output buffers based on those lengths before validating that the compressed...

Security Bulletin: Vulnerability in lz4 affects IBM watsonx Assistant Cartridge and IBM watsonx Orchestrate with watsonx Assistant Cartridge.

Summary Potential vulnerability in lz4 has been identified that affects IBM watsonx Assistant Cartridge and IBM watsonx Orchestrate with watsonx Assistant Cartridge - Assistant Builder Component. . The vulnerability have been addressed. Refer to details for additional information. Vulnerability...

PT-2026-51394

Name of the Vulnerable Software and Affected Versions MessagePack for C versions prior to 2.5.301 MessagePack for C versions prior to 3.1.7 Description When decompressing Lz4Block or Lz4BlockArray payloads, the software reads declared uncompressed lengths from the wire and allocates output buffer...

ROOT-APP-MAVEN-CVE-2025-12183 CVE-2025-12183 in io.root.org.lz4:lz4-java - Patched by Root

Root has patched CVE-2025-12183 in the io.root.org.lz4:lz4-java package for Root:Maven. Multiple fixed versions available...

ROOT-APP-MAVEN-CVE-2025-66566 CVE-2025-66566 in io.root.org.lz4:lz4-java - Patched by Root

Root has patched CVE-2025-66566 in the io.root.org.lz4:lz4-java package for Root:Maven. Multiple fixed versions available...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: erofs: fixed an unsigned underflow in zerofslz4handleoverlap Some crafted images may contain illegal !partialdecoding && mllen out accesses read past the decompressedpages array. However, such crafted cases can still result in a...

Out-of-bounds Read

Overview MessagePack is a MessagePackMsgPack Serializer for C.NET, .NET Core, Unity, Xamarin. Affected versions of this package are vulnerable to Out-of-bounds Read in the LZ4 decompression path for Lz4Block and Lz4BlockArray modes. An attacker can cause process termination or potentially access...

CVE-2026-42583

A flaw was found in Netty, an asynchronous, event-driven network application framework. A remote attacker can exploit this vulnerability by sending a specially crafted LZ4 compressed data stream. This can cause the Lz4FrameDecoder to allocate a large amount of memory up to 32 MB per block before...

RLSA-2026:20568 Important: jmc security update

JDK Mission Control is a powerful profiler for HotSpot JVMs and has an advanced set of tools that enables efficient and detailed analysis of the extensive data collected by JDK Flight Recorder. The tool chain enables developers and administrators to collect and analyze data from Java applications...