CVE-2026-43788

Integer Overflow in macOS Causing Denial‑of‑Service and Possible Memory Disclosure

Published Sep 14, 2026 CVSS 3.1 · 6.6 Medium EPSS < 1% KEV · Not listed
Description
An integer overflow was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27. Processing a maliciously crafted file may lead to a denial-of-service or potentially disclose memory contents.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
References
History
Type Values Removed Values Added
Title Integer Overflow in macOS Causing Denial‑of‑Service and Possible Memory Disclosure
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Title Integer Overflow in macOS File Processing Causes Denial‑of‑Service and Potential Information Disclosure
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CPEs cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
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Metrics cvssV3_1

{'score': 6.6, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:H'}

ssvc

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

Type Values Removed Values Added
Title Integer Overflow in macOS File Processing Causes Denial‑of‑Service and Potential Information Disclosure
Weaknesses CWE-190
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First Time appeared Apple
Apple macos
Vendors & Products Apple
Apple macos
Type Values Removed Values Added
Description An integer overflow was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27. Processing a maliciously crafted file may lead to a denial-of-service or potentially disclose memory contents.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Oct 26, 2026, 8:41 PM
Reserved
May 1, 2026, 10:46 PM
Status
Analyzed
Published
Sep 14, 2026, 9:17 PM
Modified
Sep 15, 2026, 7:31 PM