CVE-2023-42876

Name: CVE-2023-42876
Creator: NVD / NIST
Published: 2024-01-10T22:15:50.37+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.1/10EPSS 0.20%

Last modified Jun 17, 2026

CVE-2023-42876 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. The issue was addressed with improved bounds checks. This issue is fixed in macOS Sonoma 14. EPSS estimates a 0.20% chance of exploitation in the next 30 days.

Description

The issue was addressed with improved bounds checks. This issue is fixed in macOS Sonoma 14. Processing a file may lead to a denial-of-service or potentially disclose memory contents.

Metrics

CVSS 3.1

7.1/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

EPSS Probability

0.20%

9.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Apple	Macos	< 14.0

References

https://support.apple.com/en-us/HT213940Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213940Release Notes, Vendor Advisory
https://support.apple.com/kb/HT213940

Timeline

Published: Jan 10, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-42876?

The issue was addressed with improved bounds checks. This issue is fixed in macOS Sonoma 14. Processing a file may lead to a denial-of-service or potentially disclose memory contents.

How severe is CVE-2023-42876?

CVE-2023-42876 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.20% probability of exploitation in the next 30 days.

How do I fix CVE-2023-42876?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-42876?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST