CVE-2025-43300

10.0 CRITICAL CISA KEV - Actively Exploited
Published: August 21, 2025 Modified: April 03, 2026
View on NVD

Description

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://support.apple.com/en-us/124925
Source: product-security@apple.com
Release Notes Vendor Advisory
https://support.apple.com/en-us/124926
Source: product-security@apple.com
Release Notes Vendor Advisory
https://support.apple.com/en-us/124927
Source: product-security@apple.com
Release Notes Vendor Advisory
https://support.apple.com/en-us/124928
Source: product-security@apple.com
Release Notes Vendor Advisory
https://support.apple.com/en-us/124929
Source: product-security@apple.com
Release Notes Vendor Advisory
https://support.apple.com/en-us/125141
Source: product-security@apple.com
Release Notes Vendor Advisory
https://support.apple.com/en-us/125142
Source: product-security@apple.com
Release Notes Vendor Advisory
http://seclists.org/fulldisclosure/2025/Sep/10
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2025/Sep/14
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://seclists.org/fulldisclosure/2025/Sep/52
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
https://github.com/b1n4r1b01/n-days/blob/main/CVE-2025-43300.md
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory
https://github.com/cisagov/vulnrichment/issues/201
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Issue Tracking
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-43300
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

13 reference(s) from NVD

Quick Stats

CVSS v3 Score
10.0 / 10.0
EPSS (Exploit Probability)
2.2%
84th percentile
Exploitation Status
Actively Exploited
Remediation due: 2025-09-11

Weaknesses (CWE)

Affected Vendors

apple