PoC-CVE-2025-69419

CVE-2025-69419 – OpenSSL 堆缓冲区溢出复现器 概述 此仓库包含一个针对 CVE-2025-69419 的最小概念验证复现器，该漏洞影响存在漏洞的 OpenSSL 版本。 该 PoC 演示了在处理特制的 BMPString friendlyName 时，PKCS12getfriendlyname 中报告的堆越界写入。 此项目的目标是为开发人员和安全研究人员提供一个简单的回归测试。 该 PoC 不实施漏洞利用技术 ，仅用于重现 AddressSanitizer 检测到的内存破坏。 测试版本 OpenSSL 3.0.7（ASan/UBSan 构建） 漏洞...

CVE-2022-24903-Heap-based-buffer-overflow-Hand-On-Lab

CVE-2022-24903 ハンズオンラボ 著者: Andrew Beshay Mousa rsyslogのヒープバッファオーバーフロー脆弱性を実演する、実践的なハンズオンラボです。 TCP syslog受信におけるオクテットカウントフレーミングを介して、rsyslogヒープバッファオーバーフロー 脆弱性 CVE-2022-24903 を再現・理解するための実践的なラボ環境です。 目次 概要 ラボの構成 前提条件 脆弱性の詳細 ラボのセットアップ ターゲットマシン Ubuntu 攻撃者マシン Kali エクスプロイト 検証 トラブルシューティング 緩和策 参考情報 概要...

RLSA-2026:66392 Moderate: apr-util security update

The mission of the Apache Portable Runtime APR is to provide a free library of C data structures and routines. This library contains additional utility interfaces for APR; including support for XML, LDAP, database interfaces, URI parsing and more. Security Fixes: apr-util: Apache Portable Runtime...

RLSA-2026:66336 Important: vim security update

Vim Vi IMproved is an updated and improved version of the vi editor. Security Fixes: vim: Vim: Information disclosure and denial of service via crafted Unicode characters in terminal emulator CVE-2026-28420 vim: Vim: Denial of Service via out-of-bounds write in terminal handling CVE-2026-52859 vi...

apr-util security update

An update is available for apr-util. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The mission of the Apache Portable Runtime APR is to provide a free library...

vim security update

An update is available for vim. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Vim Vi IMproved is an updated and improved version of the vi editor. Security...

RLSA-2026:66366 Important: vim security update

Vim Vi IMproved is an updated and improved version of the vi editor. Security Fixes: vim: Vim: Information disclosure and denial of service via crafted Unicode characters in terminal emulator CVE-2026-28420 vim: Vim: Denial of Service via out-of-bounds write in terminal handling CVE-2026-52859 vi...

apr-util security update

An update is available for apr-util. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The mission of the Apache Portable Runtime APR is to provide a free library ...

RLSA-2026:66341 Moderate: apr-util security update

The mission of the Apache Portable Runtime APR is to provide a free library of C data structures and routines. This library contains additional utility interfaces for APR; including support for XML, LDAP, database interfaces, URI parsing and more. Security Fixes: apr-util: Apache Portable Runtime...

CVE-2024-30051

CVE-2024-30051 — Windows DWM 堆溢出 EoP · 硕士论文研究 -orange Windows 桌面窗口管理器（dwmcore.dll）中的堆缓冲区溢出 本地权限提升 → 通过 DWM 进程获得 SYSTEM 完整性级别 构建目标：Windows 11 22H2 10.0.22621.3447 · 补丁：KB5037771 描述 本仓库包含我针对 CVE-2024-30051 的 硕士论文研究 ，这是 Windows 桌面窗口管理器核心库（dwmcore.dll）中的一个高严重性（CVSS 7.8）权限提升 漏洞。 该漏洞源于...

RLSA-2026:66451 Moderate: glib2 security update

GLib provides the core application building blocks for libraries and applications written in C. It provides the core object system used in GNOME, the main loop implementation, and a large set of utility functions for strings and common data structures. Security Fixes: xdgmime: heap-based buffer...

glib2 security update

An update is available for glib2. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list GLib provides the core application building blocks for libraries and applicatio...

CVE-2026-45761

A flaw was found in Suricata, a network Intrusion Detection System IDS, Intrusion Prevention System IPS, and Network Security Monitoring NSM engine. A local attacker, by providing a specially crafted rule with mixed-case frame syntax, could trigger a heap buffer overflow. This vulnerability occur...

CVE-2026-45185

CVE-2026-45185 — Dead.Letter：Exim 堆释放后使用（UAF）致远程 Root CVSS 9.8 严重 | Exim 4.97–4.99.2 | Ubuntu / GnuTLS 构建 | 未认证 包含 GDB 跟踪、逐步分析和全球暴露数据的完整技术文章： https://0init.github.io/cve-2026-45185-dead-letter-exim-rce.html 这是什么 当 Exim 处于 BDAT 主体传输中途时，发送 TLS closenotify 警报会导致 tlsclose 调用 gnutlsdeinit，释放 7,304 字节的...

nginx-map-risk-audit

CVE-2026-42533：NGINX Map 正则表达式风险审查 关于 CVE-2026-42533 的防御性研究笔记，该漏洞是 NGINX 请求处理中的堆缓冲区溢出，与带有正则表达式捕获的 map 指令及某些变量求值模式有关。 用通俗的话说：NGINX 是 Web 服务器和反向代理软件。它通常位于网站和 API 前面，接收 Web 请求并决定将其发送到何处。map 规则是 NGINX 配置的一项功能，表示“如果这个请求值看起来像 X，就将这个变量设为 Y”。正则表达式捕获是从模式匹配中提取出的文本片段。 这个 CVE 之所以重要，是因为某些较旧的 NGINX 版本会错误地处理特定类...

CVE-2026-27654-PoC

CVE-2026-27654 – nginx ngxhttpdavmodule DAV Alias パス処理 PoC このリポジトリは、nginx の ngxhttpdavmodule におけるヒープオーバーフローの脆弱性 CVE‑2026‑27654 の概念実証（PoC）エクスプロイトを提供します。このバグは、特別に細工された Destination ヘッダーと alias ベースのロケーションを伴う MOVE/COPY リクエストを処理する際に発生する size‑t アンダーフローに起因します。 ⚠️ 免責事項: このツールは認可されたセキュリティ研究およびテスト専用...

CVE-2026-42533

CVE-2026-42533 — nginx 2パスキャプチャ上書き（two-pass capture clobbering） nginx（0.9.6–1.30.3 / mainline ≤1.31.2）の複雑値スクリプトエンジンにおける認証前ヒープオーバーフロー + 情報漏洩；CVSS 9.2。同一の根本原因には2つのトリガー面がある：HTTP （regex location + regex map）と stream （sslpreread + SNI + regex map）。 詳細な技術分析と訂正については ANALYSIS.md を参照。 プロジェクト構成...

CVE-2026-88053

A flaw was found in Tesseract, an open-source Optical Character Recognition OCR engine. A local attacker could provide a specially crafted .traineddata file, which, when processed, could lead to a heap out-of-bounds write. This vulnerability occurs due to unvalidated counts used as loop bounds...

CVE-2026-88052

A flaw was found in Tesseract, an open-source Optical Character Recognition OCR engine. The UNICHARSET::loadviafgets function incorrectly trusts a declared character count, which can lead to an out-of-bounds write in memory. A remote attacker could exploit this vulnerability by providing a...

CVE-2026-88051

A flaw was found in Tesseract, an open-source Optical Character Recognition OCR engine. A heap out-of-bounds write vulnerability exists in the GenericVector::read function when processing a specially crafted .traineddata model. By manipulating the reserved and sizeused fields, a local attacker ca...