Buffer overflow in Apple iOS
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, watchOS 6.2.8. Processing a maliciously crafted USD file may lead to unexpected application termination or arbitrary code execution.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apple | iOS | before iOS 13.6 and iPadOS 13.6 | iOS 13.6 and iPadOS 13.6 | Patch available | CNA |
| Apple | macOS | before macOS Catalina 10.15.6 | macOS Catalina 10.15.6 | Patch available | CNA |
| Apple | watchOS | before watchOS 6.2.8 | watchOS 6.2.8 | Patch available | CNA |
- iOS VendorApple Affected before iOS 13.6 and iPadOS 13.6 Fixed in iOS 13.6 and iPadOS 13.6 Patch available CNA
- macOS VendorApple Affected before macOS Catalina 10.15.6 Fixed in macOS Catalina 10.15.6 Patch available CNA
- watchOS VendorApple Affected before watchOS 6.2.8 Fixed in watchOS 6.2.8 Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* | before 13.6 | Vulnerable | Apple |
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | before 13.6 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | before 10.15.6 | Vulnerable | Apple |
| cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* | before 6.2.8 | Vulnerable | Apple |
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 13.6 Vulnerable ·Apple
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 13.6 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.15.6 Vulnerable ·Apple
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 6.2.8 Vulnerable ·Apple
Remediation
- Fix · CNA iOS (Apple) Fixed in iOS 13.6 and iPadOS 13.6
- Fix · CNA macOS (Apple) Fixed in macOS Catalina 10.15.6
- Fix · CNA watchOS (Apple) Fixed in watchOS 6.2.8
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple macOS macOS Catalina 10.15.6
43 records Highest priority Priority MEDIUM 5 MEDIUM, 38 LOW
Other records, highest priority first
- TI-2020-07979 Improper input validation in Apple iOSPriority MEDIUM 47
- TI-2020-07971 Apple iOS: A sandboxed process may be able to circumvent sandbox restrictionsPriority MEDIUM 45
- TI-2020-07993 Path traversal in Apple iOSPriority MEDIUM 43
- Release ·
Apple iOS iOS 13.6 and iPadOS 13.6
30 records Highest priority Priority MEDIUM 5 MEDIUM, 25 LOW
Other records, highest priority first
- TI-2020-07979 Improper input validation in Apple iOSPriority MEDIUM 47
- TI-2020-07971 Apple iOS: A sandboxed process may be able to circumvent sandbox restrictionsPriority MEDIUM 45
- TI-2020-07993 Path traversal in Apple iOSPriority MEDIUM 43
Show 1 more group
- Release ·
Apple watchOS watchOS 6.2.8
27 records Highest priority Priority MEDIUM 4 MEDIUM, 23 LOW
Other records, highest priority first
- TI-2020-07979 Improper input validation in Apple iOSPriority MEDIUM 47
- TI-2020-07993 Path traversal in Apple iOSPriority MEDIUM 43
- TI-2020-07958 Buffer overflow in Apple iOSPriority MEDIUM 43
Timeline
- 2026-10-02 Threatist record created from CVE-2020-9985
- 2026-10-03 Alias added: GHSA-c3cw-fqq8-9vc6
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-2020-9985 · CVE Program
- CVE-2020-9985 · NVD
- FIRST EPSS
- GHSA-c3cw-fqq8-9vc6 · 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