Security News > 2021 > October > Apple Releases Urgent iPhone and iPad Updates to Patch New Zero-Day Vulnerability

CVE-2021-30663 - Processing maliciously crafted web content may lead to arbitrary code execution.
CVE-2021-30665 - Processing maliciously crafted web content may lead to arbitrary code execution.
CVE-2021-30666 - Processing maliciously crafted web content may lead to arbitrary code execution.
CVE-2021-30761 - Processing maliciously crafted web content may lead to arbitrary code execution.
CVE-2021-30762 - Processing maliciously crafted web content may lead to arbitrary code execution.
CVE-2021-30858 - Processing maliciously crafted web content may lead to arbitrary code execution.
News URL
Related news
- Apple fixes two zero-days exploited in targeted iPhone attacks (source)
- Apple plugs zero-day holes used in targeted iPhone attacks (CVE-2025-31200, CVE-2025-31201) (source)
- Microsoft April 2025 Patch Tuesday fixes exploited zero-day, 134 flaws (source)
- PipeMagic Trojan Exploits Windows Zero-Day Vulnerability to Deploy Ransomware (source)
- Patch Tuesday: Microsoft Fixes 134 Vulnerabilities, Including 1 Zero-Day (source)
- Apple Patches Two Zero-Days Used in ‘Extremely Sophisticated’ Attacks (source)
- Emergency patch for potential SAP zero-day that could grant full system control (source)
- Microsoft May 2025 Patch Tuesday fixes 5 exploited zero-days, 72 flaws (source)
- Patch Tuesday: Microsoft fixes 5 actively exploited zero-days (source)
- ThreatLocker Patch Management: A Security-First Approach to Closing Vulnerability Windows (source)
Related Vulnerability
DATE | CVE | VULNERABILITY TITLE | RISK |
---|---|---|---|
2021-09-08 | CVE-2021-30666 | Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in Apple Iphone OS A buffer overflow issue was addressed with improved memory handling. | 8.8 |
2021-09-08 | CVE-2021-30665 | Out-of-bounds Write vulnerability in Apple products A memory corruption issue was addressed with improved state management. | 8.8 |
2021-09-08 | CVE-2021-30663 | Integer Overflow or Wraparound vulnerability in Apple products An integer overflow was addressed with improved input validation. | 8.8 |
2021-09-08 | CVE-2021-30762 | Use After Free vulnerability in Apple Iphone OS A use after free issue was addressed with improved memory management. | 8.8 |
2021-09-08 | CVE-2021-30761 | Out-of-bounds Write vulnerability in Apple Iphone OS A memory corruption issue was addressed with improved state management. | 8.8 |
2021-08-24 | CVE-2021-30858 | Use After Free vulnerability in multiple products A use after free issue was addressed with improved memory management. | 8.8 |