Google · Chromium V8
CVE-2021-30563
Google Chromium V8 Type Confusion Vulnerability
Qué es
Type Confusion in V8 in Google Chrome prior to 91.0.4472.164 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
CISA: Google Chromium V8 Engine contains a type confusion vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.
Qué hacer
Apply updates per vendor instructions.
Plazo para las agencias federales de EE. UU.: 17 de noviembre de 2021
Más fallos explotados de Google
| Añadido | Vulnerabilidad | Producto | Gravedad | Prob. de ataque |
|---|---|---|---|---|
| 9 sept 2026 | Out of Bounds Write | Chromium V8 | Alto 8,8 | 3,5% |
| 4 sept 2026 | Type Confusion | Chromium V8 | Alto 8,8 | 1,8% |
| 9 jun 2026 | Out-of-Bounds Read and Write | Chromium V8 | Alto 8,8 | 2,4% |
| 13 mar 2026 | Improper Restriction of Operations Within the Bounds of a Memory Buffer | Chromium V8 | Alto 8,8 | 2,7% |
| 19 nov 2025 | Type Confusion | Chromium V8 | Alto 8,8 | 4,9% |
| 23 sept 2025 | Type Confusion | Chromium V8 | Alto 8,8 | 9,0% |
| 2 jul 2025 | Type Confusion | Chromium V8 | Alto 8,1 | 14% |
| 5 jun 2025 | Out-of-Bounds Read and Write | Chromium V8 | Alto 8,8 | 7,8% |
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.