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CVE-2026-28934: Mounting a malicious disk image may cause unexpected system termination in Apple macOS

0
Medium
VulnerabilityCVE-2026-28934cvecve-2026-28934
Published: 09/14/2026 (09/14/2026, 20:47:20 UTC)
Source: CVE Database V5
Vendor/Project: Apple
Product: macOS

Description

CVE-2026-28934 is a buffer overflow vulnerability in Apple macOS that could cause unexpected system termination when mounting a malicious disk image. The issue has been addressed with improved bounds checking and fixed in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.

Affected software

Apple

macOS

Affected versions
>=0 <15.8>=0 <26.7>=0 <27

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/14/2026, 22:22:20 UTC

Technical Analysis

This vulnerability involves a buffer overflow triggered by mounting a specially crafted malicious disk image on Apple macOS. The flaw allows improper bounds checking, which may lead to unexpected system termination (crash). Apple has fixed this issue by improving bounds checking in macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.

Potential Impact

Successful exploitation of this vulnerability may cause the affected macOS system to terminate unexpectedly, resulting in denial of service. There is no indication of code execution or data corruption beyond system termination in the provided data.

Mitigation Recommendations

Apply the official fixes by updating to macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7 or later. These versions include improved bounds checking that resolves the buffer overflow issue. No other mitigation is indicated.

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Technical Details

Data Version
5.2
Assigner Short Name
apple
Date Reserved
2026-03-03T16:36:03.988Z
State
PUBLISHED

Threat ID: 6aa860f055bf5e2cf59d2125

Added to database: 09/14/2026, 21:02:40 UTC

Last enriched: 09/14/2026, 22:22:20 UTC

Last updated: 09/15/2026, 03:01:23 UTC

Views: 2

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