CVE-2023-27949

Name: CVE-2023-27949
Creator: NVD / NIST
Published: 2023-05-08T20:15:18.043+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.25%

Last modified Jun 17, 2026

CVE-2023-27949 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Ventura 13.3, macOS Monterey 12.6.4, iOS 15.7.4 and iPadOS 15.7.4. EPSS estimates a 0.25% chance of exploitation in the next 30 days.

Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Ventura 13.3, macOS Monterey 12.6.4, iOS 15.7.4 and iPadOS 15.7.4. Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.25%

16.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Apple	Ipados	< 15.7.4
Apple	Iphone Os	< 15.7.4
Apple	Macos	>= 12.0, < 12.6.4
Apple	Macos	>= 13.0, < 13.3

References

https://support.apple.com/en-us/HT213670Vendor Advisory
https://support.apple.com/en-us/HT213673Vendor Advisory
https://support.apple.com/en-us/HT213677Vendor Advisory
https://support.apple.com/en-us/HT213670Vendor Advisory
https://support.apple.com/en-us/HT213673Vendor Advisory
https://support.apple.com/en-us/HT213677Vendor Advisory

Timeline

Published: May 8, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-27949?

How severe is CVE-2023-27949?

CVE-2023-27949 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.

How do I fix CVE-2023-27949?

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-2023-27949?

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

Scan your code now

Source: NVD / NIST