CVE-2024-54478

Name: CVE-2024-54478
Creator: NVD / NIST
Published: 2025-01-27T22:15:12.377+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.58%

Last modified Jun 17, 2026

CVE-2024-54478 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.2 and iPadOS 18.2, iPadOS 17.7.4, macOS Sequoia 15.2, macOS Sonoma 14.7.2, tvOS 18.2, visionOS 2.2, watchOS 11.2. EPSS estimates a 0.58% chance of exploitation in the next 30 days.

Description

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.2 and iPadOS 18.2, iPadOS 17.7.4, macOS Sequoia 15.2, macOS Sonoma 14.7.2, tvOS 18.2, visionOS 2.2, watchOS 11.2. Processing maliciously crafted web content may lead to an unexpected process crash.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.58%

43.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Apple	Ipados	< 17.7.4
Apple	Ipados	>= 18.0, < 18.2
Apple	Iphone Os	< 18.2
Apple	Macos	< 14.7.2
Apple	Macos	>= 15.0, < 15.2
Apple	Tvos	< 18.2
Apple	Visionos	< 2.2
Apple	Watchos	<= 11.2

References

https://support.apple.com/en-us/121837Release Notes, Vendor Advisory
https://support.apple.com/en-us/121839Release Notes, Vendor Advisory
https://support.apple.com/en-us/121840Release Notes, Vendor Advisory
https://support.apple.com/en-us/121843Release Notes, Vendor Advisory
https://support.apple.com/en-us/121844Release Notes, Vendor Advisory
https://support.apple.com/en-us/121845Release Notes, Vendor Advisory
https://support.apple.com/en-us/122067Release Notes, Vendor Advisory
http://seclists.org/fulldisclosure/2025/Jan/14

Timeline

Published: Jan 27, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-54478?

How severe is CVE-2024-54478?

CVE-2024-54478 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.58% probability of exploitation in the next 30 days.

How do I fix CVE-2024-54478?

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-2024-54478?

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

Scan your code now

Source: NVD / NIST