Apple · iOS, iPadOS, and macOS
CVE-2021-30900
Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability
Qué es
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1. A malicious application may be able to execute arbitrary code with kernel privileges.
CISA: Apple GPU drivers, included in iOS, iPadOS, and macOS, contain an out-of-bounds write vulnerability that may allow a malicious application to execute code with kernel privileges.
Qué hacer
Apply updates per vendor instructions.
Plazo para las agencias federales de EE. UU.: 20 de abril de 2023
Más fallos explotados de Apple
| Añadido | Vulnerabilidad | Producto | Gravedad | Prob. de ataque |
|---|---|---|---|---|
| 21 ago 2025 | Out-of-Bounds Write | iOS, iPadOS, and macOS | Crítica 10,0 | 65% |
| 11 sept 2023 | ImageIO Buffer Overflow | iOS, iPadOS, and macOS | Alto 7,8 | 53% |
| 10 abr 2023 | IOSurfaceAccelerator Out-of-Bounds Write | iOS, iPadOS, and macOS | Alto 8,6 | 23% |
| 14 sept 2022 | Remote Code Execution | iOS, iPadOS, and macOS | Alto 7,8 | 5,6% |
| 8 sept 2022 | Input Validation | iOS, iPadOS, and macOS | Media 5,5 | 3,2% |
| 11 feb 2022 | Webkit Use-After-Free | iOS, iPadOS, and macOS | Alto 8,8 | 16% |
| 3 nov 2021 | WebKit Remote Code Execution | iOS, iPadOS, and macOS | Crítica 9,8 | 7,7% |
| 3 nov 2021 | WebKit Remote Code Execution | iOS, iPadOS, and macOS | Crítica 9,8 | 7,0% |
Fuentes: Known Exploited Vulnerabilities (CISA, dominio público), CVE records (cve.org) y EPSS (FIRST). La probabilidad de ataque es la estimación EPSS de que alguien intente explotar el fallo en los próximos 30 días.