CVEvulnerability

CVE-2021-1776

7.8 HIGH 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])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
Weaknesses
CWE-787

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted font file may lead to arbitrary code execution.

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-787 Out-of-bounds Write weakness

References