Out-of-bounds read in Apple iOS
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5, tvOS 13.4.5, watchOS 6.2.5. Processing a maliciously crafted audio file may lead to 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 13.5 and iPadOS 13.5 | iOS 13.5 and iPadOS 13.5 | Patch available | CNA |
| Apple | macOS | before macOS Catalina 10.15.5 | macOS Catalina 10.15.5 | Patch available | CNA |
| Apple | tvOS | before tvOS 13.4.5 | tvOS 13.4.5 | Patch available | CNA |
| Apple | watchOS | before watchOS 6.2.5 | watchOS 6.2.5 | Patch available | CNA |
- iOS VendorApple Affected before iOS 13.5 and iPadOS 13.5 Fixed in iOS 13.5 and iPadOS 13.5 Patch available CNA
- macOS VendorApple Affected before macOS Catalina 10.15.5 Fixed in macOS Catalina 10.15.5 Patch available CNA
- tvOS VendorApple Affected before tvOS 13.4.5 Fixed in tvOS 13.4.5 Patch available CNA
- watchOS VendorApple Affected before watchOS 6.2.5 Fixed in watchOS 6.2.5 Patch available CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* | before 13.5 | Vulnerable | Apple |
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | before 13.5 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | before 10.15.5 | Vulnerable | Apple |
| cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | before 13.4.5 | Vulnerable | Apple |
| cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* | before 6.2.5 | Vulnerable | Apple |
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 13.5 Vulnerable ·Apple
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 13.5 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.15.5 Vulnerable ·Apple
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 13.4.5 Vulnerable ·Apple
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 6.2.5 Vulnerable ·Apple
Remediation
- Fix · CNA iOS (Apple) Fixed in iOS 13.5 and iPadOS 13.5
- Fix · CNA macOS (Apple) Fixed in macOS Catalina 10.15.5
- Fix · CNA tvOS (Apple) Fixed in tvOS 13.4.5
- Fix · CNA watchOS (Apple) Fixed in watchOS 6.2.5
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple iOS iOS 13.5 and iPadOS 13.5
42 records Highest priority Priority CRITICAL 1 CRITICAL, 2 HIGH, 8 MEDIUM, 31 LOW
Other records, highest priority first
- TI-2020-07896 Out-of-bounds write in Apple iOSPriority CRITICAL 97
- TI-2020-07926 Apple iOS: A remote attacker may be able to cause arbitrary code executionPriority HIGH 81
- TI-2020-07897 Out-of-bounds write in Apple iOSPriority HIGH 79
- Release ·
Apple macOS macOS Catalina 10.15.5
41 records Highest priority Priority MEDIUM 2 MEDIUM, 39 LOW
Other records, highest priority first
- TI-2020-07869 Out-of-bounds write in Apple iOSPriority MEDIUM 43
- TI-2020-07868 Out-of-bounds write in Apple iOSPriority MEDIUM 43
- TI-2020-07873 Out-of-bounds read in Apple iOSPriority LOW 39
Show 2 more groups
- Release ·
Apple watchOS watchOS 6.2.5
31 records Highest priority Priority CRITICAL 1 CRITICAL, 2 HIGH, 7 MEDIUM, 21 LOW
Other records, highest priority first
- TI-2020-07896 Out-of-bounds write in Apple iOSPriority CRITICAL 97
- TI-2020-07926 Apple iOS: A remote attacker may be able to cause arbitrary code executionPriority HIGH 81
- TI-2020-07897 Out-of-bounds write in Apple iOSPriority HIGH 79
- Release ·
Apple tvOS tvOS 13.4.5
30 records Highest priority Priority HIGH 1 HIGH, 7 MEDIUM, 22 LOW
Other records, highest priority first
- TI-2020-07926 Apple iOS: A remote attacker may be able to cause arbitrary code executionPriority HIGH 81
- TI-2020-07880 Apple iOS: Processing maliciously crafted web content may lead to arbitrary code executionPriority MEDIUM 51
- TI-2020-07869 Out-of-bounds write in Apple iOSPriority MEDIUM 43
Timeline
- 2026-10-02 Threatist record created from CVE-2020-9815
- 2026-10-03 Alias added: GHSA-2g27-m4gf-9r9v
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-2020-9815 · CVE Program
- CVE-2020-9815 · NVD
- FIRST EPSS
- GHSA-2g27-m4gf-9r9v · 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