VULNERABILITY INTELLIGENCE

CVE-2021-1776

CVSS score7.8 HIGH
EPSS probability1.11%
CISA KEVNot currently listed
Published2021-04-02
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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.

Weakness classification

  • nvd@nist.gov: CWE-787

Primary references