CVE-2026-59679 fs_read_glyphs() heap OOB read/write via encoding array index mismatch in libXfont2

fsreadglyphs in the libXfont2 font-server client src/fc/fserve.c indexes the per-character encoding array using numchars from the FSQueryXBitmaps16 reply, but that array was allocated with a size derived from numextents in the separate FSQueryXExtents16 reply. The two CARD32 fields are never...

CVE-2026-61908

A flaw was found in cyrus-imapd. An authenticated user could exploit this vulnerability by attempting to download a specially crafted JMAP JSON Meta Application Protocol blob ID. This action could lead to reading beyond the intended memory boundary, potentially exposing sensitive information from...

vim: Vim: Information disclosure and denial of service via crafted Unicode characters in terminal emulator

A flaw was found in Vim. A remote attacker could exploit a heap-based buffer overflow and an out-of-bounds read vulnerability in Vim's terminal emulator. This occurs when processing specially crafted Unicode supplementary plane characters, potentially leading to information disclosure and denial ...

Important: Red Hat Security Advisory: vim security update

An update for vim is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

vim: Vim: Heap buffer overflow allows arbitrary code execution

A heap buffer overflow in Vim allows a local attacker to cause a denial of service or potentially execute arbitrary code. The flaw is triggered by processing a specially crafted spell file, where the setsofo function fails to reset internal data between sections, leading to an out-of-bounds write...

CVE-2021-3156-Baron-Samedit

CVE-2021-3156 - "Baron Samedit" Lab & Exploit This repository provides a self-contained, educational environment to understand and exploit CVE-2021-3156 , a heap-based buffer overflow in sudo that allows any unprivileged user to gain root privileges on vulnerable systems sudo versions prior to...

Exploit for Heap-based Buffer Overflow in F5 Nginx_Gateway_Fabric

CVE-2026-42533 Lab — NGINX Two-Pass Capture Clobbering RCE...

nginx-cve-2026-42945-check

NGINX CVE-2026-42945 Local Checker Language: 中文 | English This repository provides two standalone local scripts for checking whether a Linux or Windows server has Nginx, OpenResty, or Tengine instances that may be exposed to CVE-2026-42945 related risk. The scripts are read-only. They do not run ...

httpd: mod_proxy_ajp: heap-based buffer over-read and memory disclosure in ajp_parse_data()

A flaw was found in the modproxyajp module of httpd. When processing AJP Apache JServ Protocol messages, the ajpparsedata function attempts to read data beyond the allocated buffer size, allowing an attacker or a malformed request to cause a heap-based buffer over-read. This issue potentially lea...

httpd: Apache HTTP Server: Heap-based Buffer Overflow via malicious backend servers

A flaw was found in Apache HTTP Server. This heap-based buffer overflow vulnerability can be exploited by a malicious backend server when using ProxyPassReverseCookie directives. This could lead to a denial of service DoS condition, making the server unavailable to legitimate users...

httpd: Apache HTTP Server: Heap-based Buffer Overflow via untrusted content in mod_xml2enc

A flaw was found in Apache HTTP Server, specifically within the modxml2enc module. This heap-based buffer overflow vulnerability can be triggered when processing untrusted content through the xml2StartParse function. A remote attacker could potentially exploit this to cause a denial of service,...

Apache HTTP Server: mod_proxy_ajp: Apache HTTP Server mod_proxy_ajp: Arbitrary code execution via heap-based buffer overflow

A flaw was found in modproxyajp of Apache HTTP Server. This heap-based buffer overflow vulnerability allows a remote attacker, by connecting to a malicious AJP Apache JServ Protocol server, to send a specially crafted message. This message can cause modproxyajp to write attacker-controlled data...

Orthanc DICOM Server

ADVISORY SUMMARY Successful exploitation of this vulnerability could allow an authenticated remote attacker to write past the end of a heap allocation when Orthanc decodes an attacker-supplied PNG or JPEG image, resulting in a crash of the Orthanc process and a denial-of-service condition. 2...

CVE-2026-42945

CVE-2026-42945: NGINX Rift Heap Buffer Overflow Vulnerability Overview CVE-2026-42945 is a critical heap buffer overflow vulnerability in the NGINX server, known as "NGINX Rift". The vulnerability exists in the processing logic of the rewrite and set directives in NGINX. When specific configurati...

CVE-2025-14847-MongoBleed-Exploit

CVE-2025-14847 - MongoBleed 👨‍💻 Author: Furkan KAYAPINAR @FurkanKAYAPINAR ⚠️ EDUCATIONAL PURPOSE ONLY Lab environment and exploit script for the critical unauthenticated memory-leak vulnerability in MongoDB Server. 📋 Table of Contents Vulnerability Overview Affected Versions Installation Lab...

CVE-2025-49844

CVE-2025-49844 RediShell AI-made Revshell PoC Untested completition of the Redishell PoC made by AI. Original PoC: https://github.com/raminfp/redisexploit/blob/main/exploitpoc.py Korean Piece: https://github.com/dwisiswant0/CVE-2025-49844/blob/master/CVE-2025-49844.lua Progress ? We later went...

google-chrome-emergency-update

Chrome 緊急セキュリティアップデート このリポジトリには、重大なセキュリティ脆弱性に対処するGoogleの緊急Chromeアップデートに関連する情報とツールが含まれています。 🚨 緊急アップデートのお知らせ Googleは、実際に悪用されている重大なゼロデイ脆弱性を修正するため、緊急Chromeアップデートをリリースしました。 主な詳細 CVE : CVE-2023-7024（その他） 深刻度 : 重大 アップデートバージョン : Mac/Linux向け 120.0.6099.62/.63、Windows向け 120.0.6099.62/.63 リリース日 : 2023年12月 🔥...

CVE-2026-23479-Redis-UAF-Proof-of-Concept

🔥 CVE-2026-23479 – Redis UAF 概念実証（PoC） Redis のunblockClientOnKey における Use‑After‑Free によるリモートコード実行 GDB 支援による悪用の概念実証（教育目的・ラボ利用のみ） 📖 概要 CVE-2026-23479 は、Redis 7.2.0 から 8.6.2 に存在する深刻な Use‑After‑Free（UAF、解放後使用） 脆弱性です。 このバグは unblockClientOnKey にあり、この関数は processCommandAndResetClient を呼び出します。 その呼び出し中に（例:...

Cisco-ASA-CVE-2025-20333-Scanner

CVE-2025-20333 Scanner A Python-based diagnostic scanner for Cisco ASA / FTD VPN Web Server Buffer Overflow CVE-2025-20333. CVE-2025-20333 is a critical heap-based buffer overflow vulnerability in the WebVPN file upload handler that can lead to remote code execution RCE as root when successfully...

CVE-2026-65349

CVE-2026-65349 — getattrlist OOB Write in vfsattrpackinternal Component: XNU VFS — vfsattrpackinternal getattrlist syscall Affected: iOS / iPadOS 26.6 23G71 and earlier Fixed in: iOS / iPadOS 26.6.1 23G83 Type: Out-of-Bounds write to caller buffer Impact: Kernel heap corruption; from kernel conte...