CVEvulnerability

CVE-2021-1791

5.5 MEDIUM Published 2021-04-02 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-04-02
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS 2.0 ([email protected])
7.1 HIGH — AV:N/AC:M/Au:N/C:C/I:N/A:N
Weaknesses
CWE-125

Description

An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A malicious application may be able to disclose kernel memory.

Affected configurations

• apple ipados (< 14.4) • apple iphone os (< 14.4) • apple mac os x (>= 10.14 < 10.14.6) • apple mac os x (>= 10.15 < 10.15.7) • apple mac os x 10.14.6 • apple mac os x 10.15.7 • apple macos (>= 11.0 < 11.2) • apple tvos (< 14.4) • apple watchos (< 7.3)

Related

Weakness · CWE (1)

  • CWE-125 Out-of-bounds Read weakness

References