Security Bulletin: Multiple security vulnerabilities addressed with IBM Business Automation Workflow cumulative fixes June 2026

Summary In addition to updating many operating system level packages, the following security vulnerabilities are addressed with IBM Business Automation Workflow cumulative fixes. Vulnerability Details CVEID:CVE-2026-29063 DESCRIPTION: Immutable.js provides many Persistent Immutable data structure...

CVE-2026-55967

AES-GCM encryption/decryption with extremely large cumulative single message sizes 64 GiB were not properly rejected by the streaming APIs, allowing counter wrap, keystream reuse, and consequent plaintext recovery...

py7zr: O(n^2) algorithmic complexity DoS in PackInfo._read()

Summary PackInfo.read uses an On^2 cumulative sum pattern where numstreams is read directly from the archive header. A crafted .7z archive with a large numstreams value causes excessive CPU consumption during SevenZipFile.init — no extraction is needed. A 50 KB archive takes 7 seconds of CPU time...

CVE-2026-12151

Impact: The undici WebSocket client enforces maxPayloadSize on the cumulative byte count of fragments in a message but does not enforce a limit on the number of fragments. A malicious WebSocket server can stream many small or empty continuation frames that each pass per-frame and cumulative-size...

2026-06 Cumulative Update for Windows 10 Version 22H2 for x86-based Systems (KB5094127)

A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article...

2026-06 Cumulative Update for Windows 10 Version 21H2 for ARM64-based Systems (KB5094127)

A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article...

2026-06 Cumulative Update for Windows 10 Version 1607 for x86-based Systems (KB5094122)

A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article...

2026-06 Cumulative Update for Windows 10 Version 22H2 for ARM64-based Systems (KB5094127)

A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article...

2026-06 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5094128)

A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article...

2026-06 Dynamic Cumulative Update for Windows 10 Version 21H2 for x86-based Systems (KB5094127)

ComponentUpdate: A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft...

2026-06 Cumulative Update for Windows 10 Version 1809 for x86-based Systems (KB5094123)

A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article...

2026-06 Cumulative Update for Windows Server 2016 for x64-based Systems (KB5094122)

A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article...

2026-06 Cumulative Update for Windows 10 Version 1809 for x64-based Systems (KB5094123)

A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article...

2026-06 Cumulative Update for Windows Server 2019 for x64-based Systems (KB5094123)

A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article...

Microsoft Exchange Server 代码注入漏洞

Microsoft Exchange Server is a set of email service programs provided by the American company Microsoft. It offers features such as email access, storage, forwarding, voicemail handling, and email filtering. There is a code injection vulnerability in Microsoft Exchange Server. Attackers can explo...

Security Bulletin: Multiple security vulnerabilities addressed with IBM Business Automation Workflow cumulative fixes May 2026

Summary In addition to updating many operating system level packages, the following security vulnerabilities are addressed with IBM Business Automation Workflow cumulative fixes. Vulnerability Details CVEID:CVE-2025-12183 DESCRIPTION: Out-of-bounds memory operations in org.lz4:lz4-java 1.8.0 and...

GHSA-MX64-MJ3Q-7PRJ iskorotkov/avro: Denial-of-Service Vulnerability in Decoder

Memory Exhaustion via Unbounded Map Allocations in Avro Decoder Summary The Avro map decoder accepted attacker-controlled block-element counts from the wire format and grew the destination map without enforcing an upper bound. The slice decoder already had Config.MaxSliceAllocSize for the...

iskorotkov/avro: Denial-of-Service Vulnerability in Decoder

Memory Exhaustion via Unbounded Map Allocations in Avro Decoder Summary The Avro map decoder accepted attacker-controlled block-element counts from the wire format and grew the destination map without enforcing an upper bound. The slice decoder already had Config.MaxSliceAllocSize for the...

2026-05 Cumulative Update for Windows 10 Version 22H2 for ARM64-based Systems (KB5087544)

2026-05 Cumulative Update for Windows 10 Version 22H2 for ARM64-based Systems KB5087544...

2026-05 Cumulative Update for Windows 10 Version 1607 for x64-based Systems (KB5087537)

2026-05 Cumulative Update for Windows 10 Version 1607 for x64-based Systems KB5087537...