699 matches found
POC-CVE-2025-54988
CVE-2025-54988 - POC Disclaimer: I am not the original discoverer of this vulnerability. This post documents my process of reproducing the issue in a controlled environment for educational purposes and to help others validate their own systems. The tests were conducted in an isolated lab with no...
CVE-2025-66516-POC
⚠️ 使用前に免責事項をお読みください ⚠️ 教育/許可されたテストのみ | ライセンス | セキュリティポリシー このPOCについて このリポジトリは、CVE-2025-66516 (Apache Tika 3.2.2より前のバージョンにおけるXML External Entity(XXE)注入脆弱性 )の概念実証(POC)エクスプロイト を含んでいます。この脆弱性は、tika-parser-pdf-module コンポーネントのXFA(XML Forms Architecture)パーサー...
CVE-2025-66516-Writeup-POC
CVE-2025-66516: Apache Tika における重大な XXE 脆弱性 エグゼクティブサマリー CVE-2025-66516 は、Apache Tika における重大な XML 外部実体参照 XXE インジェクションの脆弱性であり、CVSS スコア 10.0 (最大深刻度)です。この脆弱性により、リモートの攻撃者は、悪意のある XFA XML Forms Architecture コンテンツを含む特別に細工された PDF ドキュメントをアップロードすることで、任意のファイルの読み取り、Server-Side Request Forgery SSRF...
CVE-2021-45067
CVE-2021-45067 このバグは、ANSI 文字列を Unicode として扱うことによる Out of Bounds Read であり、サンドボックス化された Adobe Reader プロセスから機密情報を漏洩するために悪用される可能性があります。 Blog Adobe Reader - XFA - ANSI - Unicode 混乱による情報漏洩 Advisory CVE-2021-45067 Demo...
Tika-CVE-2025-66516-Lab
CVE-2025-66516 最小化验证环境 本项目用于验证 CVE-2025-66516 (Apache Tika 中的 XML 外部实体注入漏洞)。 漏洞简介 Apache Tika 3.2.1 及其之前版本在解析包含 XFA 表单的 PDF 文件时,未正确禁用外部实体加载,导致存在 XXE 漏洞。攻击者可通过构造恶意的 PDF 文件读取服务器上的敏感文件。 环境要求 JDK 11+ Maven 使用方法 1. 生成恶意 Payload 运行 org.example.ExploitGenerator 类。 该程序会在当前目录下生成 poc-xxe.pdf。 Windows : 尝试读...
Blackash-CVE-2025-66516
🚨 CVE-2025-66516 — Apache Tika の重大な脆弱性 CVSS: 10.0 | エクスプロイトタイプ: XXEインジェクション | リスクレベル: 最大 🎯 エグゼクティブサマリー CVE-2025-66516は、Apache Tika のコア処理エンジンにおける重大なXML外部エンティティ(XXE)脆弱性です。 単一の悪意のある XFAコンテンツを含むPDF が以下を引き起こす可能性があります。 🔓 機密ファイルの開示 🌐 サーバーサイドリクエストフォージェリ(SSRF) 💻 リモートコード実行(RCE)の可能性 この脆弱性は、世界中の...
GHSA-36MM-W85J-3Q2J veraPDF Validation XXE via XFA
Summary Description An XML External Entity Injection CWE-611 vulnerability in veraPDF allows a remote attacker to read arbitrary files on the server file system and perform Server-Side Request Forgery by submitting a crafted PDF containing a malicious XFA stream. This affects all current versions...
CVE-2026-54079 veraPDF Validation XXE via XFA
veraPDF validation provides PDF/A and PDF/UA validation, feature reporting, and metadata repair. From 1.17.35 until 1.30.2 and 1.31.71, veraPDF-validation contains an XML External Entity XXE vulnerability in validation-model/src/main/java/org/verapdf/gf/model/impl/pd/GFPDAcroForm.java in the...
EUVD-2026-50368
veraPDF validation provides PDF/A and PDF/UA validation, feature reporting, and metadata repair. From 1.17.35 until 1.30.2 and 1.31.71, veraPDF-validation contains an XML External Entity XXE vulnerability in validation-model/src/main/java/org/verapdf/gf/model/impl/pd/GFPDAcroForm.java in the...
PYSEC-2026-3027 pypdf: Manipulated FlateDecode XFA streams can exhaust RAM
Impact An attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing the xfa property of a reader or writer and the corresponding stream being compressed using /FlateDecode. Patches This has been fixed in pypdf==6.7.3. Workarounds If...
Security Bulletin: Critical XXE Vulnerability in Apache Tika Affecting Content Collector for Email, File Systems, and Microsoft SharePoint (CVE-2025-66516)
Summary Critical XML External Entity in Apache Tika on all platforms allows an attacker to carry out XML External Entity injection via a crafted XFA file inside of a PDF. An attacker may be able to read sensitive data or trigger malicious requests to internal resources or third-party...
CVE-2025-66769
A NULL pointer dereference in Nitro PDF Pro for Windows v14.41.1.4 allows attackers to cause a Denial of Service DoS via a crafted XFA packet...
CVE-2026-5939
A crafted XFA PDF can trigger a use-after-free condition during calculate event processing, causing the application to crash and resulting in an arbitrary code execution...
CVE-2026-5939 UAF in Foxit PDF Editor/Reader via XFA calculate event
A crafted XFA PDF can trigger a use-after-free condition during calculate event processing, causing the application to crash and resulting in an arbitrary code execution...
CVE-2026-5939
CVE-2026-5939 describes a use-after-free (UAF) vulnerability in Foxit PDF Editor/Reader triggered by a crafted XFA PDF during the calculate event. The issue affects the application when processing XFA calculate logic, potentially crashing the program and enabling arbitrary code execution. The lin...
EUVD-2025-209415
A NULL pointer dereference in Nitro PDF Pro for Windows v14.41.1.4 allows attackers to cause a Denial of Service DoS via a crafted XFA packet...
PT-2026-32375
A NULL pointer dereference in Nitro PDF Pro for Windows v14.41.1.4 allows attackers to cause a Denial of Service DoS via a crafted XFA packet...
CVE-2025-66769
A NULL pointer dereference in Nitro PDF Pro for Windows v14.41.1.4 allows attackers to cause a Denial of Service DoS via a crafted XFA packet...
OPENSUSE-SU-2026:20333-1 Security update for python-PyPDF2
This update for python-PyPDF2 fixes the following issues: Changes in python-PyPDF2: - CVE-2026-27628: Fixed infinite loop when loading circular /Prev entries in cross-reference streams bsc1258940 - CVE-2026-27888: Fixed issue where manipulated FlateDecode XFA streams can exhaust RAM bsc1258934 -...
📄 pypdf Memory Exhaustion / Denial of Service
pypdf versions prior to 6.7.3 were vulnerable to a denial of service condition caused by uncontrolled memory allocation during decompression of XFA streams. An attacker could craft a malicious PDF file containing a highly compressed stream using /FlateDecode...