Apple · Multiple Products
CVE-2021-30807
Apple Multiple Products Memory Corruption Vulnerability
Qué es
A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.5.1, iOS 14.7.1 and iPadOS 14.7.1, watchOS 7.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.
CISA: Apple iOS, iPadOS, macOS, and watchOS IOMobileFrameBuffer contain a memory corruption vulnerability which may allow an application to execute code with kernel privileges.
Qué hacer
Apply updates per vendor instructions.
Plazo para las agencias federales de EE. UU.: 17 de noviembre de 2021
Más fallos explotados de Apple
| Añadido | Vulnerabilidad | Producto | Gravedad | Prob. de ataque |
|---|---|---|---|---|
| 29 sept 2026 | Out-of-Bounds Write | Multiple Products | Alto 8,8 | 26% |
| 20 mar 2026 | Buffer Overflow | Multiple Products | Alto 8,8 | 1,7% |
| 20 mar 2026 | Improper Locking | Multiple Products | Alto 7,8 | 0,4% |
| 20 mar 2026 | Classic Buffer Overflow | Multiple Products | Media 5,5 | 0,4% |
| 5 mar 2026 | Integer Overflow or Wraparound | Multiple Products | Alto 8,8 | 7,0% |
| 5 mar 2026 | Use-After-Free | Multiple Products | Alto 8,8 | 4,0% |
| 12 feb 2026 | Multiple Buffer Overflow | Multiple Products | Alto 7,8 | 1,7% |
| 15 dic 2025 | Use-After-Free WebKit | Multiple Products | Alto 8,8 | 26% |
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.