CVE-2026-20679: Processing a maliciously crafted file may lead to unexpected app termination in Apple macOS
Description
The issue was addressed with improved checks. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. Processing a maliciously crafted file may lead to unexpected app termination.
CVSS v3.1
Score 4.3medium
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves improper handling of certain files in macOS, which may lead to unexpected application termination. The vendor has implemented improved checks to mitigate this issue. The flaw is resolved in specific macOS versions: Sequoia 15.7.5, Sonoma 14.8.5, and Tahoe 26.4.
Potential Impact
An attacker could cause an application to crash by supplying a specially crafted file, potentially leading to denial of service conditions. There is no indication of code execution or data compromise from the provided information.
Mitigation Recommendations
Apply the official fixes by updating to macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, or macOS Tahoe 26.4. These versions contain improved checks that address the vulnerability.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-p6hg-hpqv-cp2w
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-20679"]
- State
- PUBLISHED
Threat ID: 6a885f33acd9273b493f84a8
Added to database: 08/21/2026, 14:22:43 UTC
Last enriched: 08/21/2026, 14:44:25 UTC
Last updated: 10/06/2026, 18:48:19 UTC
Views: 71
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