Apple · Multiple Products
CVE-2025-43529
Apple Multiple Products Use-After-Free WebKit Vulnerability
Qué es
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 was also issued in response to this report.
CISA: Apple iOS, iPadOS, macOS, and other Apple products contain a use-after-free vulnerability in WebKit. Processing maliciously crafted web content may lead to memory corruption. 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.
Qué hacer
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Plazo para las agencias federales de EE. UU.: 5 de enero de 2026
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% |
| 20 oct 2025 | Unspecified | Multiple Products | Alto 8,8 | 3,2% |
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.