VULNERABILITY INTELLIGENCE

CVE-2025-43300

CVSS score10 CRITICAL

EPSS probability65.16%

CISA KEVKnown exploited vulnerability

Published2025-08-21

Last modified2026-06-17

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

Known Exploited Vulnerability

Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability

Vendor / product: Apple / iOS, iPadOS, and macOS

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.

Weakness classification

134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-787

Primary references

product-security@apple.com — Release Notes, Vendor Advisory
product-security@apple.com — Release Notes, Vendor Advisory
product-security@apple.com — Release Notes, Vendor Advisory
product-security@apple.com — Release Notes, Vendor Advisory
product-security@apple.com — Release Notes, Vendor Advisory
product-security@apple.com — Release Notes, Vendor Advisory
product-security@apple.com — Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0 — Issue Tracking