PT-2021-18845 · Apple · Tvos+2

Xingwei Lin · Published 2021-05-24 · Updated 2021-09-15 · CVE-2021-30755

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions macOS versions prior to 11.4 tvOS versions prior to 14.6 watchOS versions prior to 7.5

Description Processing a maliciously crafted font may result in the disclosure of process memory. An out-of-bounds read was addressed with improved input validation.

Recommendations For macOS versions prior to 11.4, update to macOS Big Sur 11.4 or later. For tvOS versions prior to 14.6, update to tvOS 14.6 or later. For watchOS versions prior to 7.5, update to watchOS 7.5 or later.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2021-30755

Affected Products

Apple Macos

Tvos

Watchos

References · 7

• https://osv.dev/vulnerability/CVE-2021-30755 · Vendor Advisory
• https://support.apple.com/en-us/HT212529 · Vendor Advisory
• https://support.apple.com/en-us/HT212532 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-30755 · Security Note
• https://support.apple.com/en-us/HT212533 · Vendor Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30755 · Note
• https://support.apple.com/en-us/103131 · Note