Vulnerability Database

314,433

Total vulnerabilities in the database

CVE-2021-30991

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 15.2 and iPadOS 15.2. A malicious application may be able to execute arbitrary code with kernel privileges.

  • Published: Aug 24, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-30991
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.8
  • AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 9.3
  • AV:N/AC:M/Au:N/C:C/I:C/A:C

CWEs:

Software From Fixed in
apple / iphone_os - 15.2
apple / ipados - 15.2