Improper input validation in Apple iOS
Priority LOW 26CWE-20Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
A denial of service issue was addressed with improved validation. This issue is fixed in iOS 12.4, tvOS 12.4, watchOS 5.3. Processing a maliciously crafted image may lead to a denial of service.
Why it matters now
EPSS 0.00738 54th percentileScored 2026-11-07
Fix Fixed iOS (Apple): 12.4tvOS (Apple): 12.4+1 more product
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 12.4 | 12.4 | Patch available | CNA |
| Apple | tvOS | before 12.4 | 12.4 | Patch available | CNA |
| Apple | watchOS | before 5.3 | 5.3 | Patch available | CNA |
Remediation
- Fix · CNA iOS (Apple) Fixed in 12.4
- Fix · CNA tvOS (Apple) Fixed in 12.4
- Fix · CNA watchOS (Apple) Fixed in 5.3
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple iOS 12.4
2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2019-06390 Out-of-bounds read in Apple iOS and iPadOSPriority MEDIUM 42
Timeline
- 2026-10-02 Threatist record created from CVE-2019-8668
- 2026-10-03 Alias added: GHSA-3q83-m7xx-4ggv
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-2019-8668 · CVE Program
- CVE-2019-8668 · NVD
- FIRST EPSS
- GHSA-3q83-m7xx-4ggv · 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