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.
Metrics
CVSS 3.1 10.0/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Apple | iOS and iPadOS | < 15.8.5; < 16.7.12; < 18.6.2 |
| Apple | iPadOS | < 17.7.10 |
| Apple | macOS | < 13.7.8; < 14.7.8; < 15.6.1 |
References
- https://support.apple.com/en-us/124925Release Notes, Vendor Advisory
- https://support.apple.com/en-us/124926Release Notes, Vendor Advisory
- https://support.apple.com/en-us/124927Release Notes, Vendor Advisory
- https://support.apple.com/en-us/124928Release Notes, Vendor Advisory
- https://support.apple.com/en-us/124929Release Notes, Vendor Advisory
- https://support.apple.com/en-us/125141Release Notes, Vendor Advisory
- https://support.apple.com/en-us/125142Release Notes, Vendor Advisory
- http://seclists.org/fulldisclosure/2025/Sep/10Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2025/Sep/14Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2025/Sep/52Mailing List, Third Party Advisory
- https://github.com/b1n4r1b01/n-days/blob/main/CVE-2025-43300.mdExploit, Third Party Advisory
- https://github.com/cisagov/vulnrichment/issues/201Issue Tracking
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-43300US Government Resource
Timeline
- Published
- Aug 21, 2025
- Last modified
- Jun 17, 2026
- Added to CISA KEV
- Aug 21, 2025
- NVD status
- Analyzed