CVE-2025-43300

10.0 CRITICAL CISA KEV - Actively Exploited
Published: August 21, 2025 Modified: November 26, 2025

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. 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/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

8 reference(s) from NVD

Quick Stats

CVSS v3 Score
10.0 / 10.0
EPSS (Exploit Probability)
0.9%
75th percentile
Exploitation Status
Actively Exploited
Remediation due: 2025-09-11

Weaknesses (CWE)

Affected Vendors

apple