CVEvulnerability

CVE-2021-1834

9.8 CRITICAL Published 2021-09-08 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-09-08
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
10.0 HIGH — AV:N/AC:L/Au:N/C:C/I:C/A:C
Weaknesses
CWE-787

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. A malicious application may be able to execute arbitrary code with kernel privileges.

Affected configurations

• apple mac os x 10.14 • apple mac os x 10.14.0 • apple mac os x 10.14.1 • apple mac os x 10.14.2 • apple mac os x 10.14.3 • apple mac os x 10.14.4 • apple mac os x 10.14.5 • apple mac os x 10.14.6 • apple mac os x 10.15 • apple mac os x 10.15.1 • apple mac os x 10.15.2 • apple mac os x 10.15.3 • apple mac os x 10.15.4 • apple mac os x 10.15.5 • apple mac os x 10.15.6 • apple mac os x 10.15.7 • apple macos (>= 11.0 < 11.3)

Related

Weakness · CWE (1)

  • CWE-787 Out-of-bounds Write weakness

References