Apple · Multiple Products
CVE-2023-43000
Apple Multiple products Use-After-Free Vulnerability
概要
A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Ventura 13.5, iOS 16.6 and iPadOS 16.6, Safari 16.6, iOS 15.8.7 and iPadOS 15.8.7. Processing maliciously crafted web content may lead to memory corruption.
CISA: Apple macOS, iOS, iPadOS, and Safari 16.6 contain a use-after-free vulnerability due to the processing of maliciously crafted web content that may lead to memory corruption.
対処法
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
米国連邦機関の対応期限：2026年3月26日
Appleのその他の悪用された脆弱性
| 追加日 | 脆弱性 | 製品 | 深刻度 | 攻撃の可能性 |
|---|---|---|---|---|
| 2026/11/04 | Improper Authentication | Multiple Products | 中 5.5 | 1.5% |
| 2026/09/29 | Out-of-Bounds Write | Multiple Products | 高 8.8 | 26% |
| 2026/03/20 | Buffer Overflow | Multiple Products | 高 8.8 | 1.7% |
| 2026/03/20 | Improper Locking | Multiple Products | 高 7.8 | 0.4% |
| 2026/03/20 | Classic Buffer Overflow | Multiple Products | 中 5.5 | 0.4% |
| 2026/03/05 | Integer Overflow or Wraparound | Multiple Products | 高 8.8 | 7.0% |
| 2026/02/12 | Multiple Buffer Overflow | Multiple Products | 高 7.8 | 1.7% |
| 2025/12/15 | Use-After-Free WebKit | Multiple Products | 高 8.8 | 26% |
出典：Known Exploited Vulnerabilities（CISA、パブリックドメイン）、CVE records（cve.org）、EPSS（FIRST）。攻撃の可能性は、今後30日以内に誰かがその脆弱性の悪用を試みるというEPSSの推定値です。