CVE-2024-40780

Name: CVE-2024-40780
Creator: NVD / NIST
Published: 2024-07-29T23:15:11.66+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.71%

Last modified Jun 17, 2026

CVE-2024-40780 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in Safari 17.6, iOS 16.7.9 and iPadOS 16.7.9, iOS 17.6 and iPadOS 17.6, macOS Sonoma 14.6, tvOS 17.6, visionOS 1.3, watchOS 10.6. EPSS estimates a 0.71% chance of exploitation in the next 30 days.

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in Safari 17.6, iOS 16.7.9 and iPadOS 16.7.9, iOS 17.6 and iPadOS 17.6, macOS Sonoma 14.6, tvOS 17.6, visionOS 1.3, watchOS 10.6. Processing maliciously crafted web content may lead to an unexpected process crash.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.71%

48.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Apple	Iphone Os	< 16.7.9
Apple	Iphone Os	>= 17.0, < 17.6
Apple	Ipados	< 16.7.9
Apple	Ipados	>= 17.0, < 17.6
Apple	Safari	< 17.6
Apple	Watchos	< 10.6
Apple	Tvos	< 17.6
Apple	Visionos	< 1.3
Apple	Macos	< 14.6

References

https://support.apple.com/en-us/120908
https://support.apple.com/en-us/120909
https://support.apple.com/en-us/120911
https://support.apple.com/en-us/120913
https://support.apple.com/en-us/120914
https://support.apple.com/en-us/120915
https://support.apple.com/en-us/120916
http://seclists.org/fulldisclosure/2024/Jul/15Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2024/Jul/16Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2024/Jul/17Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2024/Jul/18Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2024/Jul/21Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2024/Jul/22Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2024/Jul/23Mailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/09/msg00006.html
https://support.apple.com/en-us/HT214116Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT214117Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT214119Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT214121Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT214122Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT214123Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT214124Release Notes, Vendor Advisory
https://support.apple.com/kb/HT214116
https://support.apple.com/kb/HT214117
https://support.apple.com/kb/HT214119
https://support.apple.com/kb/HT214122
https://support.apple.com/kb/HT214123
https://support.apple.com/kb/HT214124

Timeline

Published: Jul 29, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-40780?

How severe is CVE-2024-40780?

CVE-2024-40780 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.71% probability of exploitation in the next 30 days.

How do I fix CVE-2024-40780?

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-2024-40780?

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

Scan your code now

Source: NVD / NIST