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VULNERABILITIES

CVE-2021-1867 Details

Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.5 and iPadOS 14.5, macOS Big Sur 11.3. A malicious application may be able to execute arbitrary code with kernel privileges.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://support.apple.com/en-us/HT212317 CVEVendor Advisory
https://support.apple.com/en-us/HT212325 CVEVendor Advisory
https://support.apple.com/en-us/HT212317 [email protected]Vendor Advisory
https://support.apple.com/en-us/HT212325 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-125Out-of-bounds Read[email protected]

Affected Products

ProductVersions
apple ipados
< 14.5

CPE

  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
apple iphone os
< 14.5

CPE

  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
apple macos
>= 11.0, < 11.3

CPE

  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-1867
NVD Published Date:
Sep 8, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-1867 Details - Not Deferred