Out-of-bounds read in Apple iOS
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.
Summary
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, tvOS 13.4.8, watchOS 6.2.8. An attacker that has already achieved kernel code execution may be able to bypass kernel memory mitigations.
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 | tvOS | before tvOS 13.4.8 | tvOS 13.4.8 | 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
- tvOS VendorApple Affected before tvOS 13.4.8 Fixed in tvOS 13.4.8 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:tvos:*:*:*:*:*:*:*:* | before 13.4.8 | 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:tvos:*:*:*:*:*:*:*:* Versions before 13.4.8 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 tvOS (Apple) Fixed in tvOS 13.4.8
- 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 iOS iOS 13.6 and iPadOS 13.6
28 records Highest priority Priority CRITICAL 1 CRITICAL, 1 HIGH, 4 MEDIUM, 22 LOW
Other records, highest priority first
- TI-2020-07980 Out-of-bounds write in Apple iOSPriority CRITICAL 93
- TI-2020-08007 An issue existed in the handling of environment variables.Priority HIGH 82
- TI-2020-07969 Use after free in Apple iOSPriority MEDIUM 49
- Release ·
Apple tvOS tvOS 13.4.8
23 records Highest priority Priority CRITICAL 1 CRITICAL, 5 MEDIUM, 17 LOW
Other records, highest priority first
- TI-2020-07980 Out-of-bounds write in Apple iOSPriority CRITICAL 93
- TI-2020-07969 Use after free in Apple iOSPriority MEDIUM 49
- TI-2020-07991 Out-of-bounds read in Apple macOSPriority MEDIUM 48
Show 1 more group
- Release ·
Apple watchOS watchOS 6.2.8
21 records Highest priority Priority MEDIUM 4 MEDIUM, 17 LOW
Other records, highest priority first
- TI-2020-07969 Use after free in Apple iOSPriority MEDIUM 49
- TI-2020-07991 Out-of-bounds read in Apple macOSPriority MEDIUM 48
- TI-2020-07967 Use after free in Apple iOSPriority MEDIUM 43
Timeline
- 2026-10-02 Threatist record created from CVE-2020-9909
- 2026-10-03 Alias added: GHSA-c4wh-283h-v2vf
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-2020-9909 · CVE Program
- CVE-2020-9909 · NVD
- FIRST EPSS
- GHSA-c4wh-283h-v2vf · 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