Out-of-bounds read in Apple iOS and iPadOS
Priority LOW 18CWE-125Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.
Summary
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.4 and iPadOS 18.4, iPadOS 17.7.6, macOS Sequoia 15.4, macOS Sonoma 14.7.5, macOS Ventura 13.7.5, tvOS 18.4, visionOS 2.4, watchOS 11.4. An app may be able to bypass ASLR.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00159 5th percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 18.4iPadOS (Apple): 17.7.6+4 more products
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
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 18.4 | 18.4 | Patch available | CNA |
| Apple | iPadOS | before 17.7.6 | 17.7.6 | Patch available | CNA |
| Apple | macOS | before 13.7.5; before 14.7.5; before 15.4 | 13.7.5, 14.7.5, 15.4 | Patch available | CNA |
| Apple | tvOS | before 18.4 | 18.4 | Patch available | CNA |
| Apple | visionOS | before 2.4 | 2.4 | Patch available | CNA |
| Apple | watchOS | before 11.4 | 11.4 | Patch available | CNA |
- iOS and iPadOS VendorApple Affected before 18.4 Fixed in 18.4 Patch available CNA
- iPadOS VendorApple Affected before 17.7.6 Fixed in 17.7.6 Patch available CNA
- macOS VendorApple Affected before 13.7.5; before 14.7.5; before 15.4 Fixed in 13.7.5, 14.7.5, 15.4 Patch available CNA
- tvOS VendorApple Affected before 18.4 Fixed in 18.4 Patch available CNA
- visionOS VendorApple Affected before 2.4 Fixed in 2.4 Patch available CNA
- watchOS VendorApple Affected before 11.4 Fixed in 11.4 Patch available CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* | before 18.4 | Vulnerable | Apple |
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | before 18.4 | Vulnerable | Apple |
| cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | before 18.4 | Vulnerable | Apple |
| cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* | before 2.4 | Vulnerable | Apple |
| cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* | before 11.4 | Vulnerable | Apple |
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 18.4 Vulnerable ·Apple
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 18.4 Vulnerable ·Apple
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 18.4 Vulnerable ·Apple
- cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* Versions before 2.4 Vulnerable ·Apple
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 11.4 Vulnerable ·Apple
Remediation
- Fix · CNA iOS and iPadOS (Apple) Fixed in 18.4
- Fix · CNA iPadOS (Apple) Fixed in 17.7.6
- Fix · CNA macOS (Apple) Fixed in 13.7.5, 14.7.5, 15.4
- Fix · CNA tvOS (Apple) Fixed in 18.4
- Fix · CNA visionOS (Apple) Fixed in 2.4
- Fix · CNA watchOS (Apple) Fixed in 11.4
Timeline
- 2026-10-02 Threatist record created from CVE-2025-43205
- 2026-10-03 Alias added: GHSA-h2g7-2683-wf59
References
Advisory 4
More Apple Ipados vulnerabilities
- TI-2025-28008 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
- 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
Sources
- CVE-2025-43205 · CVE Program
- CVE-2025-43205 · NVD
- FIRST EPSS
- GHSA-h2g7-2683-wf59 · 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