Skip to main content

Apple CVE-2025-43300

CRITICAL
Out-of-bounds Write (CWE-787)
2025-08-21 product-security@apple.com
10.0
CVSS 3.1
Share

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
Added to CISA KEV
Apr 03, 2026 - 14:28 cisa
CISA KEV
PoC Detected
Apr 03, 2026 - 14:28 vuln.today
Public exploit code
Analysis Generated
Mar 28, 2026 - 19:08 vuln.today
CVE Published
Aug 21, 2025 - 01:15 nvd
CRITICAL 10.0

DescriptionNVD

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. 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.

AnalysisAI

Apple iOS/iPadOS contain an out-of-bounds write in image processing that allows code execution through malicious images, exploited in extremely sophisticated targeted attacks against specific individuals.

Technical ContextAI

The CWE-787 out-of-bounds write in the image processing pipeline is triggered by malformed image data. The vulnerability affects older iOS versions (15.x, 16.x), indicating it was exploited before the latest security updates.

RemediationAI

Update iOS/iPadOS. Enable Lockdown Mode for at-risk individuals.

Share

CVE-2025-43300 vulnerability details – vuln.today

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy