8.8

CVE-2025-43300

Warning
Media report
Exploit

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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Apple ≫ iPadOS Version < 15.8.5
Apple ≫ iPadOS Version >= 16.0 < 16.7.12
Apple ≫ iPhone OS Version < 15.8.5
Apple ≫ iPhone OS Version >= 16.0 < 16.7.12

21.08.2025: CISA Known Exploited Vulnerabilities (KEV) Catalog

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

Vulnerability

Apple iOS, iPadOS, and macOS contain an out-of-bounds write vulnerability in the Image I/O framework.

Description

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Required actions
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.48% 0.64
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
134c704f-9b21-4f2e-91b3-4a467353bcc0 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

https://support.apple.com/en-us/125141
Vendor Advisory
Release Notes
https://support.apple.com/en-us/125142
Vendor Advisory
Release Notes