PT-2023-5598 · Apple · Apple Macos+4

Boris Larin + 7 · Published 2023-01-23 · Updated 2025-11-01 · CVE-2023-41990

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Apple macOS versions prior to 13.2 Apple macOS versions prior to 12.6.8 Apple macOS versions prior to 11.7.9 Apple iOS versions prior to 16.3 Apple iOS versions prior to 15.7.8 Apple iPadOS versions prior to 16.3 Apple iPadOS versions prior to 15.7.8 Apple watchOS versions prior to 9.3 Apple tvOS versions prior to 16.3

Description The issue is related to the processing of font files, which may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.1. The vulnerability is associated with a buffer overflow in the FontParser component of Apple's operating systems. It is estimated that a large number of devices may be affected, but the exact number is not specified. The issue was addressed with improved handling of caches.

Recommendations For macOS versions prior to 13.2, update to macOS Ventura 13.2 or later. For macOS versions prior to 12.6.8, update to macOS Monterey 12.6.8 or later. For macOS versions prior to 11.7.9, update to macOS Big Sur 11.7.9 or later. For iOS versions prior to 16.3, update to iOS 16.3 or later. For iOS versions prior to 15.7.8, update to iOS 15.7.8 or later. For iPadOS versions prior to 16.3, update to iPadOS 16.3 or later. For iPadOS versions prior to 15.7.8, update to iPadOS 15.7.8 or later. For watchOS versions prior to 9.3, update to watchOS 9.3 or later. For tvOS versions prior to 16.3, update to tvOS 16.3 or later.

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

BDU:2023-06253

CVE-2023-41990

Affected Products

Apple Macos

Ios

Ipados

Tvos

Watchos

References · 56

• https://nvd.nist.gov/vuln/detail/CVE-2023-41990 · Security Note
• https://bdu.fstec.ru/vul/2023-06253 · Security Note
• https://osv.dev/vulnerability/CVE-2023-41990 · Vendor Advisory
• https://support.apple.com/en-us/HT213844 · Security Note, Vendor Advisory
• https://twitter.com/CommunicateCyb/status/1745042115237695788 · Twitter Post
• https://cisa.gov/sites/default/files/csv/known_exploited_vulnerabilities.csv · Note
• https://t.me/echeloneyes/2329 · Telegram Post
• https://support.apple.com/en-us/HT213845 · Security Note, Vendor Advisory
• https://twitter.com/OPCDE/status/1741118682909049096 · Twitter Post
• https://support.apple.com/en-us/HT213605 · Security Note, Vendor Advisory
• https://twitter.com/CVEnew/status/1701379582085964044 · Twitter Post
• https://cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-41990 · Note
• https://twitter.com/unix_root/status/1744947807721599254 · Twitter Post
• https://support.apple.com/en-us/HT213601 · Security Note, Vendor Advisory
• https://twitter.com/JaredNaude/status/1740012266853163022 · Twitter Post