XLMMacroDeobfuscator

XLMMacroDeobfuscator XLMMacroDeobfuscator 可用于解码混淆的 XLM 宏（也称为 Excel 4.0 宏）。它利用内部 XLM 模拟器解释宏，而无需完全执行代码。 支持 xls、xlsm 和 xlsb 格式。 它使用 xlrd2、pyxlsb2 以及自己的解析器分别从 xls、xlsb 和 xlsm 文件中提取单元格和其他信息。 你还可以在 xlm-macro-lark.template 中找到 XLM 语法。 安装模拟器 1. 使用 pip 安装 pip install XLMMacroDeobfuscator --force 或 pip...

XLS-to-DBatLoader-or-GuLoader-for-AgentTesla-variant

THE ANALYZED FILE PCAP-Based Analysis | Date: 2025-03-12 | Author: BlackOclock TABLE OF CONTENTS 1. ANALYSIS OVERVIEW 1.1 The Analyzed File PCAP Only 1.2 Infection Timeline & CVE Mapping 2. NETWORK TRAFFIC ANALYSIS 2.1 Protocol Hierarchy – Big Picture 2.2 Conversations – Top Talkers & Data...

Maldoc-Analysis

Maldoc-Analysis 2023年3月，发现了一个新样本被识别为恶意软件。该恶意软件源自扩展名为.xls和.doc的文件，并被称为“Bank Slip.xls”。该恶意软件的活动与已知为CVE-2017-11882和CVE-2018-0802的漏洞有关。...

JLSEC-2026-1298

Buffer Overflow vulnerability in libxlsv.1.6.2 allows a remote attacker to execute arbitrary code and cause a denial of service via a crafted XLS file to the transcodelatin1toutf8 function in xlstool.c:296...

JLSEC-2026-1297

Buffer Overflow vulnerability in libxlsv.1.6.2 allows a remote attacker to execute arbitrary code and cause a denial of service via a crafted XLS file to the xlsparseWorkBook function in xls.c:1015...

JLSEC-2026-1300

Buffer Overflow vulnerability in libxlsv.1.6.2 allows a remote attacker to execute arbitrary code and cause a denial of service via a crafted XLS file to the getstring function in xlstool.c:411...

JLSEC-2026-1296

Buffer Overflow vulnerability in libxlsv.1.6.2 allows a remote attacker to execute arbitrary code and cause a denial of service via a crafted XLS file to the unicodedecodewcstombs function in xlstool.c:266...

JLSEC-2026-1295

Buffer Overflow vulnerability in libxlsv.1.6.2 allows a remote attacker to execute arbitrary code and cause a denial of service via a crafted XLS file to the xlsparseWorkBook function in xls.c:1018...

JLSEC-2026-1299

Buffer Overflow vulnerability in libxlsv.1.6.2 allows a remote attacker to execute arbitrary code and cause a denial of service via a crafted XLS file to the getstring function in xlstool.c:395...

CVE-2026-59933

PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. In versions 4.0.0 through 5.8.0, 3.3.0 through 3.10.6, 2.2.0 through 2.4.6, 2.0.0 through 2.1.17, and all releases up to and including 1.30.5, the OLE reader follows sector chains from attacker-controlled XLS/OLE...

CVE-2026-59933 PhpSpreadsheet: XLS/OLE sector-chain self-loop causes memory exhaustion

PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. In versions 4.0.0 through 5.8.0, 3.3.0 through 3.10.6, 2.2.0 through 2.4.6, 2.0.0 through 2.1.17, and all releases up to and including 1.30.5, the OLE reader follows sector chains from attacker-controlled XLS/OLE...

CVE-2026-59933 PhpSpreadsheet: XLS/OLE sector-chain self-loop causes memory exhaustion

PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. In versions 4.0.0 through 5.8.0, 3.3.0 through 3.10.6, 2.2.0 through 2.4.6, 2.0.0 through 2.1.17, and all releases up to and including 1.30.5, the OLE reader follows sector chains from attacker-controlled XLS/OLE...

EUVD-2026-49930

PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. In versions 4.0.0 through 5.8.0, 3.3.0 through 3.10.6, 2.2.0 through 2.4.6, 2.0.0 through 2.1.17, and all releases up to and including 1.30.5, the OLE reader follows sector chains from attacker-controlled XLS/OLE...

CVE-2026-59933: Uncontrolled Resource Consumption

PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. In versions 4.0.0 through 5.8.0, 3.3.0 through 3.10.6, 2.2.0 through 2.4.6, 2.0.0 through 2.1.17, and all releases up to and including 1.30.5, the OLE reader follows sector chains from attacker-controlled XLS/OLE...

PHPSpreadsheet: XLS/OLE sector-chain self-loop causes memory exhaustion

Summary PhpSpreadsheet's OLE reader follows sector chains from attacker-controlled XLS/OLE metadata without detecting cycles or enforcing a maximum chain length. A tiny malformed .xls/OLE file can set the small-block depot sector chain to point back to itself. During normal XLS detection,...

CVE-2026-41034

ONLYOFFICE DocumentServer before 9.3.0 has an untrusted pointer dereference in XLS processing/conversion via pictFmla.cbBufInCtlStm and other vectors, leading to an information leak and ASLR bypass...

Linux Distros Unpatched Vulnerability : CVE-2026-26825

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A use-of-uninitialized memory vulnerability exists in libxls 1.6.3 when parsing malformed XLS files. The issue is reachable via xlsparseWorkBook and is triggere...

CVE-2026-26825

A use-of-uninitialized memory vulnerability exists in libxls 1.6.3 when parsing malformed XLS files. The issue is reachable via xlsparseWorkBook and is triggered by uninitialized heap memory originating from the OLE layer ole2read. The flaw is detectable with MemorySanitizer MSAN and can lead to...

CVE-2026-26824

libxls through version 1.6.3 contains a use of uninitialized memory vulnerability in the OLE container parser. Memory allocated for the Master Sector Allocation Table MSAT in readMSAT is not fully initialized before being consumed by ole2validatesectorchain, which may result in application crashe...

DEBIAN-CVE-2026-26824

libxls through version 1.6.3 contains a use of uninitialized memory vulnerability in the OLE container parser. Memory allocated for the Master Sector Allocation Table MSAT in readMSAT is not fully initialized before being consumed by ole2validatesectorchain, which may result in application crashe...