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CVE-2026-20639

HIGH CVSS: 7.5 Published: 2026-03-25 Modified: 2026-06-17

Description

An integer overflow was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3. Processing a maliciously crafted string may lead to heap corruption.

Affected Platforms

Apple Macos

Weakness Type

CWE-190

References