Improper input validation in Apple iOS
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
An API issue existed in the handling of microphone data. This issue was addressed with improved validation. This issue is fixed in iOS 12.2. A malicious application may be able to access the microphone without indication to the user.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA iOS (Apple) Fixed in iOS 12.2
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple iOS iOS 12.2
49 records Highest priority Priority CRITICAL 1 CRITICAL, 18 MEDIUM, 30 LOW
Other records, highest priority first
- TI-2019-06084 Type confusion in Apple iOSPriority CRITICAL 97
- TI-2019-06096 Out-of-bounds write in Apple iOSPriority MEDIUM 51
- TI-2019-06134 Out-of-bounds write in Apple iOSPriority MEDIUM 48
Timeline
- 2026-10-02 Threatist record created from CVE-2019-8566
- 2026-10-03 Alias added: GHSA-4rx5-3g43-fgh3
References
Advisory 1
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-2019-8566 · CVE Program
- CVE-2019-8566 · NVD
- FIRST EPSS
- GHSA-4rx5-3g43-fgh3 · 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