CVE-2026-20679

MediumCVSS 4.3/10Last modified Oct 18, 2026

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.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-125CWE-416

Affected software

VendorProductVersions
ApplemacOS< 14.8.5; < 15.7.5; < 26.4

References

Timeline

Published
Aug 21, 2026
Last modified
Oct 18, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-20688.8A vulnerability was detected in UTT 进取 520W 1.7.7-180627. This issue affects the function strcpy of the file /goform/formSyslogConf. The manCVE-2026-206806.5The issue was addressed with additional restrictions on the observability of app states. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5CVE-2026-206813.3A privacy issue was addressed with improved private data redaction for log entries. This issue is fixed in macOS Tahoe 26.3. An app may be aCVE-2026-206825.3A logic issue was addressed with improved state management. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3. ACVE-2026-206837.1An authentication issue was addressed with improved state management. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, macCVE-2026-206843.3A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Tahoe 26.4. An app may bypass Gatekeeper checksCVE-2026-206856.5An attacker in a privileged network position may be able to leak sensitive information. A path handling issue was addressed with improved vaCVE-2026-206865.3This issue was addressed with improved input validation. This issue is fixed in iOS 26.3 and iPadOS 26.3. An app may be able to access sensiCVE-2026-206877.1A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadCVE-2026-206889.3A path handling issue was addressed with improved validation. This issue is fixed in iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS SCVE-2026-20693.3A flaw has been found in ggml-org llama.cpp up to 55abc39. Impacted is the function llama_grammar_advance_stack of the file llama.cpp/src/llCVE-2026-206906.5An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and
CVE-2026-20679: Medium severity, CVSS 4.3 | Vulnix