Out-of-bounds write in Apple iOS
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
A memory corruption issue was addressed with improved validation. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3, tvOS 12.1.2, watchOS 5.1.3, iTunes 12.9.3 for Windows. A sandboxed process may be able to circumvent sandbox restrictions.
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 12.1.3 | iOS 12.1.3 | Patch available | CNA |
| Apple | macOS | before macOS Mojave 10.14.3 | macOS Mojave 10.14.3 | Patch available | CNA |
| Apple | tvOS | before tvOS 12.1.2 | tvOS 12.1.2 | Patch available | CNA |
| Apple | watchOS | before watchOS 5.1.3 | watchOS 5.1.3 | Patch available | CNA |
| Apple | iTunes for Windows | before iTunes 12.9.3 for Windows | iTunes 12.9.3 for Windows | Patch available | CNA |
- iOS VendorApple Affected before iOS 12.1.3 Fixed in iOS 12.1.3 Patch available CNA
- macOS VendorApple Affected before macOS Mojave 10.14.3 Fixed in macOS Mojave 10.14.3 Patch available CNA
- tvOS VendorApple Affected before tvOS 12.1.2 Fixed in tvOS 12.1.2 Patch available CNA
- watchOS VendorApple Affected before watchOS 5.1.3 Fixed in watchOS 5.1.3 Patch available CNA
- iTunes for Windows VendorApple Affected before iTunes 12.9.3 for Windows Fixed in iTunes 12.9.3 for Windows Patch available CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* | before 12.9.3 | Vulnerable | Apple |
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | before 12.1.3 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | before 10.14.3 | Vulnerable | Apple |
| cpe:2.3:o:apple:tv_os:*:*:*:*:*:*:*:* | before 12.1.2 | Vulnerable | Apple |
| cpe:2.3:o:apple:watch_os:*:*:*:*:*:*:*:* | before 5.1.3 | Vulnerable | Apple |
- cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* Versions before 12.9.3 Vulnerable ·Apple
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 12.1.3 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.14.3 Vulnerable ·Apple
- cpe:2.3:o:apple:tv_os:*:*:*:*:*:*:*:* Versions before 12.1.2 Vulnerable ·Apple
- cpe:2.3:o:apple:watch_os:*:*:*:*:*:*:*:* Versions before 5.1.3 Vulnerable ·Apple
Remediation
- Fix · CNA iOS (Apple) Fixed in iOS 12.1.3
- Fix · CNA macOS (Apple) Fixed in macOS Mojave 10.14.3
- Fix · CNA tvOS (Apple) Fixed in tvOS 12.1.2
- Fix · CNA watchOS (Apple) Fixed in watchOS 5.1.3
- Fix · CNA iTunes for Windows (Apple) Fixed in iTunes 12.9.3 for Windows
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple iOS iOS 12.1.3
2 records Highest priority Priority MEDIUM 2 MEDIUM
Other records, highest priority first
- TI-2019-04404 Information disclosure in Apple iOSPriority MEDIUM 45
Timeline
- 2026-10-02 Threatist record created from CVE-2019-6235
- 2026-10-03 Alias added: GHSA-2v8p-g986-x5qc
References
More Apple Iphone Os 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-2019-6235 · CVE Program
- CVE-2019-6235 · NVD
- FIRST EPSS
- GHSA-2v8p-g986-x5qc · 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