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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 798692 Cwe 894154 Cwe 8624040 Cwe 2844030 Cwe 1193185 Cwe 2003145 Cwe 1253116 Cwe 202857 Cwe 222773 Cwe 7872520 Cwe 782028 Cwe 941871 Cwe 8631869 Cwe 1221801 Cwe 741796

🛡 Vulnerabilities tagged with this 3,898

Image ID Title
CVE-2026-91809 Use-After-Free in Microsoft Windows (CVE-2026-91809)
CVE-2026-91816 Use-After-Free in Microsoft Windows (CVE-2026-91816)
CVE-2026-91805 Use-After-Free in Microsoft Windows (CVE-2026-91805)
CVE-2026-91806 Use-After-Free in Microsoft Windows (CVE-2026-91806)
CVE-2026-91793 Use-After-Free in Microsoft Windows (CVE-2026-91793)
CVE-2026-91792 Use-After-Free in Microsoft Windows (CVE-2026-91792)
CVE-2026-91799 Use-After-Free in Microsoft Windows (CVE-2026-91799)
CVE-2026-91790 Use-After-Free in Microsoft Windows (CVE-2026-91790)
CVE-2026-91791 Use-After-Free in Microsoft Windows (CVE-2026-91791)
CVE-2026-8849 Use-After-Free in Connext Professional (CVE-2026-8849)
CVE-2026-74766 Net::IDN::Punycode versions from 2.301 before 2.590 for Perl allow a heap use-after-free via a...
CVE-2026-73513 Vulnerability in Envoy (CVE-2026-73513)
CVE-2026-73512 Use-After-Free in Envoy (CVE-2026-73512)
CVE-2026-50572 Use-After-Free in Envoy (CVE-2026-50572)
CVE-2026-94084 Use-After-Free in Suricata (CVE-2026-94084)
CVE-2026-94055 Use-After-Free in Exim (CVE-2026-94055)
CVE-2026-88097 Use-After-Free in Microsoft Edge (CVE-2026-88097)
CVE-2026-93586 Use-After-Free in Imagemagick (CVE-2026-93586)
CVE-2026-93382 Use-After-Free in Google Chrome (CVE-2026-93382)
CVE-2026-93373 Use-After-Free in Google Chrome (CVE-2026-93373)
CVE-2026-93374 Use-After-Free in Google Chrome (CVE-2026-93374)
CVE-2026-92474 Buffer Overflow in GPAC (CVE-2026-92474)
CVE-2026-92472 Buffer Overflow in GPAC (CVE-2026-92472)
CVE-2026-92473 Buffer Overflow in GPAC (CVE-2026-92473)
CVE-2026-92627 Use-After-Free in HDF5 (CVE-2026-92627)
CVE-2026-19666 On a resolver configured to use ``dns64``, if an applicable answer from the authoritative server...
CVE-2026-19662 An attacker may be able to cause a `named` resolver to abort. The attack requires inducing the...
CVE-2026-82720 Use-After-Free in NLnet Labs Unbound (CVE-2026-82720)
CVE-2026-78227 Use-After-Free in NLnet Labs Unbound (CVE-2026-78227)
CVE-2026-85893 Use-After-Free in Microsoft Edge (CVE-2026-85893)

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