TI-2020-07996 Aliases CVE-2020-9923 GHSA-7pvq-7fpx-47jm

Out-of-bounds write in Apple iOS

LOW 37CWE-787Published 2020-10-16 · 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-787 and the CVSS impact.

Summary

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 13.6 and iPadOS 13.6, watchOS 6.2.8. A malicious application may be able to execute arbitrary code with system privileges.

Why it matters now

EPSS 0.0123 69th percentileScored 2026-11-07

Fix Fixed iOS (Apple): iOS 13.6 and iPadOS 13.6watchOS (Apple): watchOS 6.2.8

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 13.6 and iPadOS 13.6	iOS 13.6 and iPadOS 13.6	Patch available	CNA
Apple	watchOS	before watchOS 6.2.8	watchOS 6.2.8	Patch available	CNA

iOS VendorApple Affected before iOS 13.6 and iPadOS 13.6 Fixed in iOS 13.6 and iPadOS 13.6 Patch available CNA
watchOS VendorApple Affected before watchOS 6.2.8 Fixed in watchOS 6.2.8 Patch available CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:o:apple:ipados::::::::	before 13.6	Vulnerable	Apple
cpe:2.3:o:apple:iphone_os::::::::	before 13.6	Vulnerable	Apple
cpe:2.3:o:apple:watchos::::::::	before 6.2.8	Vulnerable	Apple

cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 13.6 Vulnerable ·Apple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 13.6 Vulnerable ·Apple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 6.2.8 Vulnerable ·Apple

Remediation

Fix · CNA iOS (Apple) Fixed in iOS 13.6 and iPadOS 13.6
Fix · CNA watchOS (Apple) Fixed in watchOS 6.2.8

Fixed in the same release

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

Release · 2020-10-16
Apple iOS iOS 13.6 and iPadOS 13.6
28 records Highest priority Priority CRITICAL 1 CRITICAL, 1 HIGH, 4 MEDIUM, 22 LOW
Other records, highest priority first
- TI-2020-07980 Out-of-bounds write in Apple iOSPriority CRITICAL 93
- TI-2020-08007 An issue existed in the handling of environment variables.Priority HIGH 82
- TI-2020-07969 Use after free in Apple iOSPriority MEDIUM 49
Show all 28 records →
Release · 2020-10-16
Apple watchOS watchOS 6.2.8
21 records Highest priority Priority MEDIUM 4 MEDIUM, 17 LOW
Other records, highest priority first
- TI-2020-07969 Use after free in Apple iOSPriority MEDIUM 49
- TI-2020-07991 Out-of-bounds read in Apple macOSPriority MEDIUM 48
- TI-2020-07967 Use after free in Apple iOSPriority MEDIUM 43
Show all 21 records →

Timeline

2026-10-02 Threatist record created from CVE-2020-9923
2026-10-03 Alias added: GHSA-7pvq-7fpx-47jm

References

Advisory 2

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