Buffer Overflow in macOS Golden Gate 27

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: Apple Inc.

Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Mounting a malicious disk image may cause unexpected system termination.

CVSS Scores

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Meta Information

Published

2026-09-14

Last Modified

2026-09-14

Generated

2026-09-15

AI Q&A

2026-09-15

EPSS Evaluated

N/A

NVD

CVE-2026-28934

Affected Vendors & Products

Vendor	Product	Version / Range
apple	macos_golden_gate	27
apple	macos_sequoia	15.8
apple	macos_tahoe	26.7

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

A buffer overflow vulnerability exists in certain macOS versions due to insufficient bounds checking. This flaw could allow an attacker to cause unexpected system termination by mounting a specially crafted disk image.

Impact Analysis

If exploited, this vulnerability may lead to system crashes or unexpected termination when mounting a malicious disk image. This could result in data loss or denial of service on affected macOS systems.

Mitigation Strategies

Update to the latest versions of macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7 to address the buffer overflow issue. Avoid mounting untrusted disk images until the update is applied.

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