VULNERABILITY INTELLIGENCE

CVE-2021-30771

CVSS score7.8 HIGH
EPSS probability1.35%
CISA KEVNot currently listed
Published2022-03-18
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 was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.4, iOS 14.6 and iPadOS 14.6, watchOS 7.5, tvOS 14.6. Processing a maliciously crafted font file may lead to arbitrary code execution.

Weakness classification

  • nvd@nist.gov: CWE-787

Primary references