Out-of-bounds write in Apple iOS and iPadOS
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-787 and the CVSS impact.
Summary
A memory corruption vulnerability was addressed with improved locking. This issue is fixed in iOS 13.1 and iPadOS 13.1, watchOS 6, tvOS 13. An application may be able to execute arbitrary code with kernel privileges.
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 and iPadOS | before 13.1 | 13.1 | Patch available | CNA |
| Apple | tvOS | before 13 | 13 | Patch available | CNA |
| Apple | watchOS | before 6 | 6 | Patch available | CNA |
- iOS and iPadOS VendorApple Affected before 13.1 Fixed in 13.1 Patch available CNA
- tvOS VendorApple Affected before 13 Fixed in 13 Patch available CNA
- watchOS VendorApple Affected before 6 Fixed in 6 Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:* | before 13.1 | Vulnerable | Apple |
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | before 13.1 | Vulnerable | Apple |
| cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | before 13 | Vulnerable | Apple |
| cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* | before 6.0 | Vulnerable | Apple |
- cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:* Versions before 13.1 Vulnerable ·Apple
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 13.1 Vulnerable ·Apple
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 13 Vulnerable ·Apple
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 6.0 Vulnerable ·Apple
Remediation
- Fix · CNA iOS and iPadOS (Apple) Fixed in 13.1
- Fix · CNA tvOS (Apple) Fixed in 13
- Fix · CNA watchOS (Apple) Fixed in 6
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple tvOS 13
23 records Highest priority Priority MEDIUM 10 MEDIUM, 13 LOW
Other records, highest priority first
- TI-2019-06309 Out-of-bounds read in Apple tvOSPriority MEDIUM 48
- TI-2019-06278 Out-of-bounds write in Apple tvOSPriority MEDIUM 47
- TI-2019-06319 Out-of-bounds write in Apple tvOSPriority MEDIUM 45
- Release ·
Apple watchOS 6
20 records Highest priority Priority MEDIUM 9 MEDIUM, 11 LOW
Other records, highest priority first
- TI-2019-06309 Out-of-bounds read in Apple tvOSPriority MEDIUM 48
- TI-2019-06278 Out-of-bounds write in Apple tvOSPriority MEDIUM 47
- TI-2019-06319 Out-of-bounds write in Apple tvOSPriority MEDIUM 45
Show 1 more group
- Release ·
Apple iOS and iPadOS 13.1
14 records Highest priority Priority MEDIUM 4 MEDIUM, 10 LOW
Other records, highest priority first
- TI-2019-06336 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 41
- TI-2019-06315 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 41
- TI-2019-06314 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 41
Timeline
- 2026-10-02 Threatist record created from CVE-2019-8740
- 2026-10-03 Alias added: GHSA-cfj2-6prp-5xvj
References
More Apple Ipad Os vulnerabilities
- TI-2022-06888 Use after free in Apple Safari CVSS 3.1HIGH 8.8
- TI-2022-06876 Out-of-bounds write in Apple Safari CVSS 3.1HIGH 8.8
- TI-2024-15360 Incorrect authorization in Apple iOS and iPadOS CVSS 3.1CRITICAL 9.1
- TI-2021-01529 Apple iOS and iPadOS: A remote attacker may be able to cause unexpected application… CVSS 3.1CRITICAL 9.8
- TI-2021-01509 Out-of-bounds write in Apple iOS and iPadOS CVSS 3.1CRITICAL 9.8
- TI-2021-01508 Out-of-bounds write in Apple iOS and iPadOS CVSS 3.1CRITICAL 9.8
Sources
- CVE-2019-8740 · CVE Program
- CVE-2019-8740 · NVD
- FIRST EPSS
- GHSA-cfj2-6prp-5xvj · 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