TI-2020-03414 Aliases CVE-2020-3914 GHSA-9835-5c9g-4pxf

Memory leak in Apple iOS

LOW 26CWE-401Published 2020-04-01 · Updated 2024-08-04

Key facts

Attack vector: Local
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: High · None · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-401.

Summary

A memory initialization issue was addressed with improved memory handling. This issue is fixed in iOS 13.4 and iPadOS 13.4, macOS Catalina 10.15.4, tvOS 13.4, watchOS 6.2. An application may be able to read restricted memory.

Why it matters now

EPSS 0.00773 55th percentileScored 2026-11-07

Fix Fixed iOS (Apple): iOS 13.4 and iPadOS 13.4macOS (Apple): macOS Catalina 10.15.4+2 more products

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 13.4 and iPadOS 13.4	iOS 13.4 and iPadOS 13.4	Patch available	CNA
Apple	macOS	before macOS Catalina 10.15.4	macOS Catalina 10.15.4	Patch available	CNA
Apple	tvOS	before tvOS 13.4	tvOS 13.4	Patch available	CNA
Apple	watchOS	before watchOS 6.2	watchOS 6.2	Patch available	CNA

iOS VendorApple Affected before iOS 13.4 and iPadOS 13.4 Fixed in iOS 13.4 and iPadOS 13.4 Patch available CNA
macOS VendorApple Affected before macOS Catalina 10.15.4 Fixed in macOS Catalina 10.15.4 Patch available CNA
tvOS VendorApple Affected before tvOS 13.4 Fixed in tvOS 13.4 Patch available CNA
watchOS VendorApple Affected before watchOS 6.2 Fixed in watchOS 6.2 Patch available CNA

CPE configurations NVD · 5

CPE	Versions	Role	Vendor
cpe:2.3:o:apple:ipados::::::::	before 13.4	Vulnerable	Apple
cpe:2.3:o:apple:iphone_os::::::::	before 13.4	Vulnerable	Apple
cpe:2.3:o:apple:mac_os_x::::::::	before 10.15.4	Vulnerable	Apple
cpe:2.3:o:apple:tvos::::::::	before 13.4	Vulnerable	Apple
cpe:2.3:o:apple:watchos::::::::	before 6.2	Vulnerable	Apple

cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 13.4 Vulnerable ·Apple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 13.4 Vulnerable ·Apple
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.15.4 Vulnerable ·Apple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 13.4 Vulnerable ·Apple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 6.2 Vulnerable ·Apple

Remediation

Fix · CNA iOS (Apple) Fixed in iOS 13.4 and iPadOS 13.4
Fix · CNA macOS (Apple) Fixed in macOS Catalina 10.15.4
Fix · CNA tvOS (Apple) Fixed in tvOS 13.4
Fix · CNA watchOS (Apple) Fixed in watchOS 6.2

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2020-04-01
Apple iOS iOS 13.4 and iPadOS 13.4
29 records Highest priority Priority MEDIUM 10 MEDIUM, 19 LOW
Other records, highest priority first
- TI-2020-03409 Buffer overflow in Apple iOSPriority MEDIUM 48
- TI-2020-03397 Type confusion in Apple iOSPriority MEDIUM 46
- TI-2020-03411 Buffer overflow in Apple iOSPriority MEDIUM 45
Show all 29 records →
Release · 2020-04-01
Apple macOS macOS Catalina 10.15.4
22 records Highest priority Priority MEDIUM 5 MEDIUM, 17 LOW
Other records, highest priority first
- TI-2020-03409 Buffer overflow in Apple iOSPriority MEDIUM 48
- TI-2020-03411 Buffer overflow in Apple iOSPriority MEDIUM 45
- TI-2020-03410 Buffer overflow in Apple iOSPriority MEDIUM 45
Show all 22 records →

Show 2 more groups

Release · 2020-04-01
Apple tvOS tvOS 13.4
19 records Highest priority Priority MEDIUM 10 MEDIUM, 9 LOW
Other records, highest priority first
- TI-2020-03409 Buffer overflow in Apple iOSPriority MEDIUM 48
- TI-2020-03397 Type confusion in Apple iOSPriority MEDIUM 46
- TI-2020-03411 Buffer overflow in Apple iOSPriority MEDIUM 45
Show all 19 records →
Release · 2020-04-01
Apple watchOS watchOS 6.2
17 records Highest priority Priority MEDIUM 9 MEDIUM, 8 LOW
Other records, highest priority first
- TI-2020-03409 Buffer overflow in Apple iOSPriority MEDIUM 48
- TI-2020-03397 Type confusion in Apple iOSPriority MEDIUM 46
- TI-2020-03411 Buffer overflow in Apple iOSPriority MEDIUM 45
Show all 17 records →

Timeline

2026-10-02 Threatist record created from CVE-2020-3914
2026-10-03 Alias added: GHSA-9835-5c9g-4pxf

References

Advisory 4

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

See all 2382 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences