CVE WatchOct 18, 2026

CVE-2025-43400

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.1 and iPadOS 18.7.1, iOS 26.0.1 an

CVSS

6.3

Medium

EPSS

7.0%

p94

KEV

—

Exploit Today

0-100

Published: Sep 29, 2025 · Last modified: Oct 18, 2026 · CWE-787

EPSS · 30d

6.4%EPSS · 30 days7.0%

2026-10-032026-10-31

Technical description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.1 and iPadOS 18.7.1, iOS 26.0.1 and iPadOS 26.0.1, macOS Sequoia 15.7.1, macOS Sonoma 14.8.1, macOS Tahoe 26.0.1, tvOS 26.1, visionOS 26.0.1, watchOS 26.1. Processing a maliciously crafted font may lead to unexpected app termination or corrupt process memory.

Official references

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