CVE-2026-84489

State: Published
Severity: 5.5 Medium
Published: Sep 14, 2026
Updated: Oct 26, 2026
Reserved: Sep 1, 2026

Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8. An app may be able to cause a denial of service.

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Affected Products

Product	Versions
iOS and iPadOSApple	before 18.7.10Affected before 27Affected
macOSApple	before 14.8.8Affected before 15.7.8Affected before 27Affected

References

https://support.apple.com/en-us/128071
https://support.apple.com/en-us/128072
https://support.apple.com/en-us/148287
https://support.apple.com/en-us/149034
https://support.apple.com/en-us/149035

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