Out-of-bounds write in Apple iOS and iPadOS
Priority CRITICAL 100Exploited in the wildCWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
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.
Why it matters now
Exploitation Active In CISA KEV since 2025-08-21CISA due date 2025-09-11
EPSS 0.65159 99th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed iOS and iPadOS (Apple): 15.8.5, 16.7.12, 18.6.2iPadOS (Apple): 17.7.10+1 more product
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apple | iOS and iPadOS | before 15.8.5; before 16.7.12; before 18.6.2 | 15.8.5, 16.7.12, 18.6.2 | Patch available | CNA |
| Apple | iPadOS | before 17.7.10 | 17.7.10 | Patch available | CNA |
| Apple | macOS | before 13.7.8; before 14.7.8; before 15.6.1 | 13.7.8, 14.7.8, 15.6.1 | Patch available | CNA |
- iOS and iPadOS VendorApple Affected before 15.8.5; before 16.7.12; before 18.6.2 Fixed in 15.8.5, 16.7.12, 18.6.2 Patch available CNA
- iPadOS VendorApple Affected before 17.7.10 Fixed in 17.7.10 Patch available CNA
- macOS VendorApple Affected before 13.7.8; before 14.7.8; before 15.6.1 Fixed in 13.7.8, 14.7.8, 15.6.1 Patch available CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* | before 15.8.5; 16.0 to before 16.7.12; 17.0 to before 17.7.10; 18.0 to before 18.6.2 | Vulnerable | Apple |
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | before 15.8.5; 16.0 to before 16.7.12; 17.0 to before 18.6.2 | Vulnerable | Apple |
| cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* | 13.0 to before 13.7.8; 14.0 to before 14.7.8; 15.0 to before 15.6.1 | Vulnerable | Apple |
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 15.8.5; 16.0 to before 16.7.12; 17.0 to before 17.7.10; 18.0 to before 18.6.2 Vulnerable ·Apple
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 15.8.5; 16.0 to before 16.7.12; 17.0 to before 18.6.2 Vulnerable ·Apple
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 13.0 to before 13.7.8; 14.0 to before 14.7.8; 15.0 to before 15.6.1 Vulnerable ·Apple
Remediation
- Fix · CNA iOS and iPadOS (Apple) Fixed in 15.8.5, 16.7.12, 18.6.2
- Fix · CNA iPadOS (Apple) Fixed in 17.7.10
- Fix · CNA macOS (Apple) Fixed in 13.7.8, 14.7.8, 15.6.1
Timeline
- 2025-08-21 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2025-43300
- 2026-10-03 Alias added: GHSA-cpwx-wfp4-x368
- 2026-10-25 EPSS moved to the 99th percentile and above
References
Advisory 10
- https://support.apple.com/en-us/124925
- https://support.apple.com/en-us/124926
- https://support.apple.com/en-us/124927
- https://support.apple.com/en-us/124928
- https://support.apple.com/en-us/124929
- https://support.apple.com/en-us/125141
- https://support.apple.com/en-us/125142
- http://seclists.org/fulldisclosure/2025/Sep/10
- http://seclists.org/fulldisclosure/2025/Sep/14
- http://seclists.org/fulldisclosure/2025/Sep/52
More Apple Ipados vulnerabilities
- TI-2025-22441 Apple iOS and iPadOS: An attacker with arbitrary read and write capability may be able to… KEVCVSS 3.1CRITICAL 9.8
- TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
- TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
- TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
- TI-2022-06854 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
- TI-2021-01573 Apple iOS and iPadOS: A remote attacker may be able to cause arbitrary code execution KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2025-43300 · CVE Program
- CVE-2025-43300 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-cpwx-wfp4-x368 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences