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CVE-2025-43300 - Apple iOS, iPadOS, and macOS

AI Vulnerability Context

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS 15.8.5, iOS 16.7.12 and iPadOS 16.7.12, iOS 18.6.2 and iPadOS 18.6.2, iPadOS 17.7.10, macOS Sequoia 15.6.1, macOS Sonoma 14.7.8, macOS Ventura 13.7.8. Processing a malicious image file may result in memory corruption. Apple is aware of a report that this issue may have been exploited in an extreme...

Overview

A source-backed snapshot of this vulnerability.

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS 15.8.5, iOS 16.7.12 and iPadOS 16.7.12, iOS 18.6.2 and iPadOS 18.6.2, iPadOS 17.7.10, macOS Sequoia 15.6.1, macOS Sonoma 14.7.8, macOS Ventura 13.7.8. Processing a malicious image file may result in memory corruption. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals.

CISA KEVyesWhether CISA lists this as exploited.
Techniques0AI attack methods connected to this vulnerability.
Case studies0Examples where this vulnerability is mentioned.

Vulnerability status

How serious this vulnerability is and whether it is known to be exploited.

CISA KEVCRITICAL
CVE ID
CVE-2025-43300
Vendor/project
Apple
Product
iOS, iPadOS, and macOS
Vulnerability name
Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability
Date added
2025-08-21
Due date
2025-09-11
Known ransomware campaign use
Unknown
CVSS v3
10.0
CWE-787

Exploit context

What the vulnerability is about.

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS 15.8.5, iOS 16.7.12 and iPadOS 16.7.12, iOS 18.6.2 and iPadOS 18.6.2, iPadOS 17.7.10, macOS Sequoia 15.6.1, macOS Sonoma 14.7.8, macOS Ventura 13.7.8. Processing a malicious image file may result in memory corruption. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals.

Related AI techniques

AI attack methods connected to this vulnerability.

View all related techniques →
No related AI attack methods. No AI attack method is connected to this vulnerability in the current data.

Related case studies

Examples where this vulnerability is mentioned.

View all case studies →
No related case studies. No case study currently mentions this vulnerability.

Source evidence

Original public records and references for this page.

View all sources →

Original source

Original source links

Open the public records and source datasets used for this page.

NVD CVE pagehttps://nvd.nist.gov/vuln/detail/CVE-2025-43300CVE API docshttps://nvd.nist.gov/developers/vulnerabilitiesData feedshttps://nvd.nist.gov/vuln/data-feedsCataloghttps://www.cisa.gov/known-exploited-vulnerabilities-catalogData repositoryhttps://github.com/cisagov/kev-dataproduct-security@apple.comhttps://support.apple.com/en-us/124925product-security@apple.comhttps://support.apple.com/en-us/124926product-security@apple.comhttps://support.apple.com/en-us/124927product-security@apple.comhttps://support.apple.com/en-us/124928product-security@apple.comhttps://support.apple.com/en-us/124929product-security@apple.comhttps://support.apple.com/en-us/125141product-security@apple.comhttps://support.apple.com/en-us/125142af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2025/Sep/10af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2025/Sep/14af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2025/Sep/52af854a3a-2127-422b-91ae-364da2661108https://github.com/b1n4r1b01/n-days/blob/main/CVE-2025-43300.md134c704f-9b21-4f2e-91b3-4a467353bcc0https://github.com/cisagov/vulnrichment/issues/201