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Cwe 416

🧬 CWE Related 3,898
slug: cwe-416

Explanation

CWE-416は「メモリを解放した後にそのメモリを使ってしまう」欠陥です。 C/C++のような手動メモリ管理言語で頻発し、攻撃者はこれを利用して任意のコードを実行できることが多いです。 ブラウザのJavaScriptエンジン (V8, JavaScriptCore) でよく見つかり、ブラウザ経由のゼロデイ攻撃の典型的な原因となります。
📌 Example
Pwn2Own (年次ハッキングコンテスト) で、毎年ブラウザに対するUse-After-Free 攻撃が成功し、賞金10万ドル超を獲得する事例が続いています。
🔗 Related links

🔖 Related tags

Cwe 798783 Cwe 894188 Cwe 8624077 Cwe 2844037 Cwe 1193186 Cwe 2003160 Cwe 1253129 Cwe 202861 Cwe 222781 Cwe 7872527 Cwe 782043 Cwe 941886 Cwe 8631885 Cwe 741810 Cwe 1221802

🛡 Vulnerabilities tagged with this 3,953

Image ID Title
CVE-2026-6786 Out-of-Bounds Read in Mozilla Firefox (CVE-2026-6786)
CVE-2026-6785 Out-of-Bounds Read in Mozilla Firefox (CVE-2026-6785)
CVE-2026-31665 Use-After-Free in Linux kernel (CVE-2026-31665)
CVE-2026-31669 Use-After-Free in Linux kernel (CVE-2026-31669)
CVE-2026-31597 Use-After-Free in Linux kernel (CVE-2026-31597)
CVE-2026-31583 Use-After-Free in Linux kernel (CVE-2026-31583)
CVE-2026-31586 Use-After-Free in Linux kernel (CVE-2026-31586)
CVE-2026-31587 Use-After-Free in Linux kernel (CVE-2026-31587)
CVE-2026-31588 Use-After-Free in Linux kernel (CVE-2026-31588)
CVE-2026-31576 Use-After-Free in Linux kernel (CVE-2026-31576)
CVE-2026-31578 Use-After-Free in Linux kernel (CVE-2026-31578)
CVE-2026-31580 Use-After-Free in Linux kernel (CVE-2026-31580)
CVE-2026-31581 Use-After-Free in Linux kernel (CVE-2026-31581)
CVE-2026-31566 Use-After-Free in Kernel (CVE-2026-31566)
CVE-2026-31554 Use-After-Free in Kernel (CVE-2026-31554)
CVE-2026-6919 Use-After-Free in Google Chrome (CVE-2026-6919)
CVE-2026-31533 Use-After-Free in Linux kernel (CVE-2026-31533)
CVE-2026-31532 Use-After-Free in Linux kernel (CVE-2026-31532)
CVE-2026-31501 Use-After-Free in Kernel (CVE-2026-31501)
CVE-2026-31474 Use-After-Free in Linux kernel (CVE-2026-31474)
CVE-2026-31527 Use-After-Free in Linux kernel (CVE-2026-31527)
CVE-2026-31511 Use-After-Free in Linux kernel (CVE-2026-31511)
CVE-2026-31504 Use-After-Free in Linux kernel (CVE-2026-31504)
CVE-2026-31500 Use-After-Free in Linux kernel (CVE-2026-31500)
CVE-2026-31488 Use-After-Free in Linux kernel (CVE-2026-31488)
CVE-2026-31485 Use-After-Free in Linux kernel (CVE-2026-31485)
CVE-2026-31469 Use-After-Free in Linux kernel (CVE-2026-31469)
CVE-2026-31473 Use-After-Free in Kernel (CVE-2026-31473)
CVE-2026-31455 Use-After-Free in Linux kernel (CVE-2026-31455)
CVE-2026-31454 Use-After-Free in Kernel (CVE-2026-31454)

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