EUVD-2026-94531

Excelize Decrypt: unrecoverable panics on malformed OLE/CFB encrypted workbooks...

EUVD-2026-94533

Excelize: extractPart allocates attacker-controlled, unbounded and negative-sized buffers from CFB directory entries: remote panic / OOM DoS...

CVE-2026-107214

Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. From 2.3.1 to 2.11.0, the decryption dispatch performs insufficient structural and parameter validation before standard and agile decryptors slice, index, allocate, and divide using attacker-controlled values...

CVE-2026-107215

Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. From 2.3.1 to 2.11.0, extractPart allocates a byte slice directly from an attacker-controlled CFB directory-entry size before validating the sector chain or size domain. extractPart trusts the CFB directory...

CVE-2026-107215 Excelize: extractPart allocates attacker-controlled, unbounded and negative-sized buffers from CFB directory entries: remote panic / OOM DoS

Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. From 2.3.1 to 2.11.0, extractPart allocates a byte slice directly from an attacker-controlled CFB directory-entry size before validating the sector chain or size domain. extractPart trusts the CFB directory...

CVE-2026-107214 Excelize Decrypt: unrecoverable panics on malformed OLE/CFB encrypted workbooks

Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. From 2.3.1 to 2.11.0, the decryption dispatch performs insufficient structural and parameter validation before standard and agile decryptors slice, index, allocate, and divide using attacker-controlled values...

CVE-2026-107214

The Excelize Go language library (versions 2.3.1 to 2.11.0 ) contains a vulnerability where the decryption dispatch performs insufficient structural and parameter validation before standard and agile decryptors process attacker-controlled values. Specifically, EncryptionInfo and EncryptedPackage ...

CVE-2026-107214 Excelize Decrypt: unrecoverable panics on malformed OLE/CFB encrypted workbooks

Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. From 2.3.1 to 2.11.0, the decryption dispatch performs insufficient structural and parameter validation before standard and agile decryptors slice, index, allocate, and divide using attacker-controlled values...

PT-2026-107646

Name of the Vulnerable Software and Affected Versions Excelize versions 2.3.1 through 2.11.0 Description The extractPart function allocates a byte slice using a CFB directory-entry size provided by the user before validating the sector chain or size domain. Specifically, the function trusts the...

CVE-2026-45785 OpenMcdf: Uncatchable infinite loop in DirectoryTree.TryGetDirectoryEntry on crafted CFB directory cycle

OpenMcdf is a fully .NET / C library to manipulate Compound File Binary File Format files, also known as Structured Storage. In 3.1.3 and earlier, the BST name-lookup loop in DirectoryTree.TryGetDirectoryEntry OpenMcdf/DirectoryTree.cs:35-46 walks directory entries by repeatedly calling...

CVE-2026-41511

OpenMcdf is a fully .NET / C library to manipulate Compound File Binary File Format files, also known as Structured Storage. Prior to version 3.1.3, OpenMcdf does not detect cycles in the directory entry red-black tree of a Compound File Binary CFB document. A crafted CFB file with a cycle in the...

CVE-2026-41511

OpenMcdf is a fully .NET / C library to manipulate Compound File Binary File Format files, also known as Structured Storage. Prior to version 3.1.3, OpenMcdf does not detect cycles in the directory entry red-black tree of a Compound File Binary CFB document. A crafted CFB file with a cycle in the...

CVE-2026-41511 OpenMcdf has an Infinite loop DoS via crafted CFB directory cycle

OpenMcdf is a fully .NET / C library to manipulate Compound File Binary File Format files, also known as Structured Storage. Prior to version 3.1.3, OpenMcdf does not detect cycles in the directory entry red-black tree of a Compound File Binary CFB document. A crafted CFB file with a cycle in the...

CVE-2026-41511

OpenMcdf is a fully .NET / C library to manipulate Compound File Binary File Format files, also known as Structured Storage. Prior to version 3.1.3, OpenMcdf does not detect cycles in the directory entry red-black tree of a Compound File Binary CFB document. A crafted CFB file with a cycle in the...

CVE-2026-41511

CVE-2026-41511 affects the OpenMcdf .NET/C# library for Compound File Binary (CFB) manipulation. Before version 3.1.3, the library failed to detect cycles in the directory-entry red–black tree, allowing a crafted CFB file to create a cycle in LeftSiblingID/RightSiblingID that causes Storage.Enume...

SUSE CVE-2012-0213

The UnhandledDataStructure function in hwpf/model/UnhandledDataStructure.java in Apache POI 3.8 and earlier allows remote attackers to cause a denial of service OutOfMemoryError exception and possibly JVM destabilization via a crafted length value in a Channel Definition Format CDF or Compound Fi...

Denial of Service in Apache POI

The UnhandledDataStructure function in hwpf/model/UnhandledDataStructure.java in Apache POI 3.8 and earlier allows remote attackers to cause a denial of service OutOfMemoryError exception and possibly JVM destabilization via a crafted length value in a Channel Definition Format CDF or Compound Fi...

GHSA-JQX5-H2HW-5Q4F Denial of Service in Apache POI

The UnhandledDataStructure function in hwpf/model/UnhandledDataStructure.java in Apache POI 3.8 and earlier allows remote attackers to cause a denial of service OutOfMemoryError exception and possibly JVM destabilization via a crafted length value in a Channel Definition Format CDF or Compound Fi...

Hancom Office 2020 Hword HwordApp.dll SectorLoc heap-based buffer overflow

Summary A heap-based buffer overflow vulnerability exists in the Hword HwordApp.dll functionality of Hancom Office 2020 11.0.0.2353. A specially-crafted malformed file can lead to memory corruption and potential arbitrary code execution. An attacker can provide a malicious file to trigger this...

Purgalicious VBA: Macro Obfuscation With VBA Purging

Malicious Office documents remain a favorite technique for every type of threat actor, from red teamers to FIN groups to APTs. In this blog post, we will discuss "VBA Purging", a technique we have increasingly observed in the wild and that was first publicly documented by Didier Stevens in Februa...