4.3 Medium

CVE-2025-43432 A use-after-free issue was addressed with improved memory management

Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.1, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. Processing maliciously crafted web content may lead to an unexpected process crash.

CVSS 3.1 detail

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

Exploitable remotely over the network, without an account and if a user takes an action; the impact on data or service is limited.

Attack vector: Network
Attack complexity: Low
Privileges required: None
Interaction: Required
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: Low

Affected products and versions

Product	Affected versions	Fixed in
Safari 26.1	earliest → < 26.1	26.1
tvOS 26.1	earliest → < 26.1	26.1
macOS 26.1	earliest → < 26.1	26.1
visionOS 26.1	earliest → < 26.1	26.1
watchOS 26.1	earliest → < 26.1	26.1
iOS and iPadOS 26.1	earliest → < 26.1	26.1

References

support.apple.com support.apple.com
support.apple.com support.apple.com
support.apple.com support.apple.com
support.apple.com support.apple.com
support.apple.com support.apple.com
support.apple.com support.apple.com

Timeline

Published November 4, 2025
Last modified November 3, 2026

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