CVE-2026-43706

Double‑Free Bug Causing Web Content Crash on Apple Devices

Published Jun 29, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
A double free issue was addressed with improved memory management. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected process crash.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Double‑Free Bug Causing Web Content Crash on Apple Devices
Type Values Removed Values Added
Title Double free causes unexpected process crash in Apple OS 26.5.2
Type Values Removed Values Added
Description A double free issue was addressed with improved memory management. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to an unexpected process crash. A double free issue was addressed with improved memory management. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected process crash.
References
Type Values Removed Values Added
First Time appeared Apple
Apple ios And Ipados
Apple macos
Vendors & Products Apple
Apple ios And Ipados
Apple macos
Type Values Removed Values Added
Title Double free causes unexpected process crash in Apple OS 26.5.2
Type Values Removed Values Added
Title Double Free in Memory Management Causing Process Crash on iOS and macOS
Weaknesses CWE-416
Type Values Removed Values Added
Weaknesses CWE-415
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}

ssvc

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

Type Values Removed Values Added
Title Double Free in Memory Management Causing Process Crash on iOS and macOS
Weaknesses CWE-416
Type Values Removed Values Added
Description A double free issue was addressed with improved memory management. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to an unexpected process crash.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Jul 27, 2026, 8:14 PM
Reserved
May 1, 2026, 10:46 PM
Status
Modified
Published
Jun 29, 2026, 8:17 PM
Modified
Jul 27, 2026, 9:16 PM