Reachable assertion in Apple iOS and iPadOS
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-617.
Summary
A reachable assertion was addressed with improved input validation. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, visionOS 26.5, watchOS 26.5. An attacker in a privileged network position may be able to cause a denial-of-service.
Why it matters now
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 18.7.10; before 26.5 | 18.7.10, 26.5 | Patch available | CNA |
| Apple | macOS | before 26.5 | 26.5 | Patch available | CNA |
| Apple | visionOS | before 26.5 | 26.5 | Patch available | CNA |
| Apple | watchOS | before 26.5 | 26.5 | Patch available | CNA |
- iOS and iPadOS VendorApple Affected before 18.7.10; before 26.5 Fixed in 18.7.10, 26.5 Patch available CNA
- macOS VendorApple Affected before 26.5 Fixed in 26.5 Patch available CNA
- visionOS VendorApple Affected before 26.5 Fixed in 26.5 Patch available CNA
- watchOS VendorApple Affected before 26.5 Fixed in 26.5 Patch available CNA
Remediation
- Fix · CNA iOS and iPadOS (Apple) Fixed in 18.7.10, 26.5
- Fix · CNA macOS (Apple) Fixed in 26.5
- Fix · CNA visionOS (Apple) Fixed in 26.5
- Fix · CNA watchOS (Apple) Fixed in 26.5
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple iOS and iPadOS, macOS and 2 more products 18.7.10, 26.5
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2026-23160 Memory corruption in Apple SafariPriority LOW 19
Timeline
- 2026-10-02 Threatist record created from CVE-2026-43667
- 2026-10-03 Alias added: GHSA-xxww-wjfc-r8m2
References
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-2026-43667 · CVE Program
- CVE-2026-43667 · NVD
- FIRST EPSS
- GHSA-xxww-wjfc-r8m2 · 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