Apple · iOS, iPadOS, and watchOS
CVE-2021-1879
Apple iOS, iPadOS, and watchOS WebKit Cross-Site Scripting (XSS) Vulnerability
Nedir
This issue was addressed by improved management of object lifetimes. This issue is fixed in iOS 12.5.2, iOS 14.4.2 and iPadOS 14.4.2, watchOS 7.3.3. Processing maliciously crafted web content may lead to universal cross site scripting. Apple is aware of a report that this issue may have been actively exploited..
CISA: Apple iOS, iPadOS, and watchOS WebKit contain an unspecified vulnerability that allows for universal cross-site scripting (XSS) when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.
Ne yapmalı
Apply updates per vendor instructions.
ABD federal kurumları için son tarih: 17 Kasım 2021
Apple için istismar edilen diğer açıklar
| Eklenme | Açık | Ürün | Önem | Saldırı olasılığı |
|---|---|---|---|---|
| 11 Eyl 2023 | Wallet Code Execution | iOS, iPadOS, and watchOS | Yüksek 7,8 | 4,4% |
| 3 Kas 2021 | Out-of-Bounds Write | iOS, iPadOS, and watchOS | Yüksek 8,8 | 2,3% |
| 3 Kas 2021 | Memory Corruption | iOS, iPadOS, and watchOS | Orta 4,3 | 2,2% |
| 29 Eyl 2026 | Out-of-Bounds Write | Multiple Products | Yüksek 8,8 | 26% |
| 18 Ağu 2026 | Improper Authentication | macOS | Kritik 9,8 | 1,7% |
| 20 Mar 2026 | Buffer Overflow | Multiple Products | Yüksek 8,8 | 1,7% |
| 20 Mar 2026 | Improper Locking | Multiple Products | Yüksek 7,8 | 0,4% |
| 20 Mar 2026 | Classic Buffer Overflow | Multiple Products | Orta 5,5 | 0,4% |
Kaynaklar: Known Exploited Vulnerabilities (CISA, kamu malı), CVE records (cve.org) ve EPSS (FIRST). Saldırı olasılığı, birinin önümüzdeki 30 günde açığı istismar etmeye çalışacağına dair EPSS tahminidir.