Out-of-bounds write in Apple watchOS
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 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
Multiple memory corruption issues were addressed with improved input validation. This issue is fixed in watchOS 6.1, iCloud for Windows 11.0. Multiple issues in libxslt.
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 | watchOS | before watchOS 6.1 | watchOS 6.1 | Patch available | CNA |
| Apple | iCloud for Windows | before iCloud for Windows 11.0 | iCloud for Windows 11.0 | Patch available | CNA |
Remediation
- Fix · CNA watchOS (Apple) Fixed in watchOS 6.1
- Fix · CNA iCloud for Windows (Apple) Fixed in iCloud for Windows 11.0
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple watchOS watchOS 6.1
9 records Highest priority Priority MEDIUM 1 MEDIUM, 8 LOW
Other records, highest priority first
- TI-2019-06359 Out-of-bounds write in Apple iOSPriority LOW 37
- TI-2019-06348 Out-of-bounds write in Apple iOSPriority LOW 37
- TI-2019-06347 Out-of-bounds write in Apple iOSPriority LOW 37
- Release ·
Apple iCloud for Windows iCloud for Windows 11.0
2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2019-06346 Out-of-bounds write in Apple iOSPriority LOW 37
Timeline
- 2026-10-02 Threatist record created from CVE-2019-8750
- 2026-10-03 Alias added: GHSA-q8p3-mqhp-2f73
References
More Apple Icloud vulnerabilities
- TI-2019-06084 Type confusion in Apple iOS KEVCVSS 3.1HIGH 8.8
- TI-2020-16987 Type confusion in Apple watchOS KEVCVSS 3.1HIGH 7.8
- TI-2020-07926 Apple iOS: A remote attacker may be able to cause arbitrary code execution CVSS 3.1CRITICAL 9.8
- TI-2018-03187 Memory corruption in Apple WebKit CVSS 3.1HIGH 8.8
- TI-2018-03118 Memory corruption in Apple WebKit CVSS 3.0HIGH 8.8
- TI-2018-03361 Memory corruption in iOS, tvOS, watchOS, Safari, iTunes for Windows, iCloud for Windows CVSS 3.0HIGH 8.8
Sources
- CVE-2019-8750 · CVE Program
- CVE-2019-8750 · NVD
- FIRST EPSS
- GHSA-q8p3-mqhp-2f73 · 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