Out-of-bounds read in Apple iOS
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, watchOS 5.2.1. Processing a maliciously crafted movie file may lead to arbitrary code execution.
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 12.3 | iOS 12.3 | Patch available | CNA |
| Apple | macOS | before macOS Mojave 10.14.5 | macOS Mojave 10.14.5 | Patch available | CNA |
| Apple | tvOS | before tvOS 12.3 | tvOS 12.3 | Patch available | CNA |
| Apple | watchOS | before watchOS 5.2.1 | watchOS 5.2.1 | Patch available | CNA |
- iOS VendorApple Affected before iOS 12.3 Fixed in iOS 12.3 Patch available CNA
- macOS VendorApple Affected before macOS Mojave 10.14.5 Fixed in macOS Mojave 10.14.5 Patch available CNA
- tvOS VendorApple Affected before tvOS 12.3 Fixed in tvOS 12.3 Patch available CNA
- watchOS VendorApple Affected before watchOS 5.2.1 Fixed in watchOS 5.2.1 Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | before 12.3 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | before 10.14.5 | Vulnerable | Apple |
| cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | before 12.3 | Vulnerable | Apple |
| cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* | before 5.2.1 | Vulnerable | Apple |
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 12.3 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.14.5 Vulnerable ·Apple
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 12.3 Vulnerable ·Apple
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 5.2.1 Vulnerable ·Apple
Remediation
- Fix · CNA iOS (Apple) Fixed in iOS 12.3
- Fix · CNA macOS (Apple) Fixed in macOS Mojave 10.14.5
- Fix · CNA tvOS (Apple) Fixed in tvOS 12.3
- Fix · CNA watchOS (Apple) Fixed in watchOS 5.2.1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple macOS macOS Mojave 10.14.5
41 records Highest priority Priority CRITICAL 1 CRITICAL, 23 MEDIUM, 17 LOW
Other records, highest priority first
- TI-2019-06181 Use after free in Apple iOSPriority CRITICAL 93
- TI-2019-06176 Out-of-bounds write in Apple iOSPriority MEDIUM 61
- TI-2019-06197 Out-of-bounds write in Apple iOSPriority MEDIUM 49
- Release ·
Apple iOS iOS 12.3
40 records Highest priority Priority CRITICAL 1 CRITICAL, 23 MEDIUM, 16 LOW
Other records, highest priority first
- TI-2019-06181 Use after free in Apple iOSPriority CRITICAL 93
- TI-2019-06176 Out-of-bounds write in Apple iOSPriority MEDIUM 61
- TI-2019-06189 Use after free in Apple iOSPriority MEDIUM 57
Show 2 more groups
- Release ·
Apple tvOS tvOS 12.3
36 records Highest priority Priority CRITICAL 1 CRITICAL, 22 MEDIUM, 13 LOW
Other records, highest priority first
- TI-2019-06181 Use after free in Apple iOSPriority CRITICAL 93
- TI-2019-06176 Out-of-bounds write in Apple iOSPriority MEDIUM 61
- TI-2019-06189 Use after free in Apple iOSPriority MEDIUM 57
- Release ·
Apple watchOS watchOS 5.2.1
21 records Highest priority Priority CRITICAL 1 CRITICAL, 9 MEDIUM, 11 LOW
Other records, highest priority first
- TI-2019-06181 Use after free in Apple iOSPriority CRITICAL 93
- TI-2019-06176 Out-of-bounds write in Apple iOSPriority MEDIUM 61
- TI-2019-06189 Use after free in Apple iOSPriority MEDIUM 57
Timeline
- 2026-10-02 Threatist record created from CVE-2019-8585
- 2026-10-03 Alias added: GHSA-hj4q-c4vv-x6vj
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-2019-8585 · CVE Program
- CVE-2019-8585 · NVD
- FIRST EPSS
- GHSA-hj4q-c4vv-x6vj · 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