CVE-2026-28934

Disk Image Mounting Buffer Overflow Causing System Termination in macOS

Published Sep 14, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Disk Image Mounting Buffer Overflow Causing System Termination in macOS
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Title Buffer Overflow in Disk Image Mounting Causes System Crash
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CPEs cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
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Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Buffer Overflow in Disk Image Mounting Causes System Crash
Weaknesses CWE-120
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First Time appeared Apple
Apple macos
Vendors & Products Apple
Apple macos
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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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Oct 26, 2026, 8:33 PM
Reserved
Mar 3, 2026, 4:36 PM
Status
Analyzed
Published
Sep 14, 2026, 9:17 PM
Modified
Sep 15, 2026, 7:26 PM