TI-2020-08026 Aliases CVE-2020-9954 GHSA-h7h6-qvjq-8mhm

Buffer overflow in Apple tvOS

LOW 37CWE-120Published 2020-12-08 · Updated 2024-08-04

Key facts

Attack vector: Local
Privileges required: None
User interaction: Required
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-120 and the CVSS impact.

Summary

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in watchOS 7.0, tvOS 14.0, macOS Catalina 10.15.7, Security Update 2020-005 High Sierra, Security Update 2020-005 Mojave, iOS 14.0 and iPadOS 14.0. Playing a malicious audio file may lead to arbitrary code execution.

Why it matters now

EPSS 0.0145 73rd percentileScored 2026-11-07

Fix Fixed tvOS (Apple): 14.0watchOS (Apple): 7.0+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	tvOS	before 14.0	14.0	Patch available	CNA
Apple	watchOS	before 7.0	7.0	Patch available	CNA
Apple	macOS	before 10.15	10.15	Patch available	CNA
Apple	macOS	before 14.0	14.0	Patch available	CNA

tvOS VendorApple Affected before 14.0 Fixed in 14.0 Patch available CNA
watchOS VendorApple Affected before 7.0 Fixed in 7.0 Patch available CNA
macOS VendorApple Affected before 10.15 Fixed in 10.15 Patch available CNA
macOS VendorApple Affected before 14.0 Fixed in 14.0 Patch available CNA

CPE configurations NVD · 5

CPE	Versions	Role	Vendor
cpe:2.3:o:apple:ipados::::::::	before 14.0	Vulnerable	Apple
cpe:2.3:o:apple:iphone_os::::::::	before 14.0	Vulnerable	Apple
cpe:2.3:o:apple:mac_os_x::::::::	before 10.15.7	Vulnerable	Apple
cpe:2.3:o:apple:tvos::::::::	before 14.0	Vulnerable	Apple
cpe:2.3:o:apple:watchos::::::::	before 7.0	Vulnerable	Apple

cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 14.0 Vulnerable ·Apple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 14.0 Vulnerable ·Apple
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.15.7 Vulnerable ·Apple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 14.0 Vulnerable ·Apple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 7.0 Vulnerable ·Apple

Remediation

Fix · CNA tvOS (Apple) Fixed in 14.0
Fix · CNA watchOS (Apple) Fixed in 7.0
Fix · CNA macOS (Apple) Fixed in 10.15
Fix · CNA macOS (Apple) Fixed in 14.0

Fixed in the same release

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

Release · 2020-12-08
Apple watchOS 7.0
13 records Highest priority Priority MEDIUM 2 MEDIUM, 11 LOW
Other records, highest priority first
- TI-2020-08020 Use after free in Apple tvOSPriority MEDIUM 42
- TI-2020-08023 Use after free in Apple tvOSPriority MEDIUM 41
- TI-2020-08061 Apple tvOS: A remote attacker may be able to cause a denial of servicePriority LOW 38
Show all 13 records →
Release · 2020-12-08
Apple tvOS 14.0
12 records Highest priority Priority MEDIUM 2 MEDIUM, 10 LOW
Other records, highest priority first
- TI-2020-08020 Use after free in Apple tvOSPriority MEDIUM 42
- TI-2020-08023 Use after free in Apple tvOSPriority MEDIUM 41
- TI-2020-08061 Apple tvOS: A remote attacker may be able to cause a denial of servicePriority LOW 38
Show all 12 records →

Show 2 more groups

Release · 2020-12-08
Apple macOS 10.15
8 records Highest priority Priority CRITICAL 2 CRITICAL, 1 HIGH, 5 LOW
Other records, highest priority first
- TI-2020-16987 Type confusion in Apple watchOSPriority CRITICAL 93
- TI-2020-16985 Out-of-bounds write in Apple watchOSPriority CRITICAL 93
- TI-2020-17004 Apple watchOS: A malicious application may be able to disclose kernel memoryPriority HIGH 82
Show all 8 records →
Release · 2020-12-08
Apple macOS 14.0
5 records Highest priority Priority LOW 5 LOW
Other records, highest priority first
- TI-2020-16974 Use after free in Apple watchOSPriority LOW 37
- TI-2020-08051 Use after free in Apple tvOSPriority LOW 37
- TI-2020-08022 Use after free in Apple macOSPriority LOW 37
Show all 5 records →

Timeline

2026-10-02 Threatist record created from CVE-2020-9954
2026-10-03 Alias added: GHSA-h7h6-qvjq-8mhm

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