CVE-2025-43434
4.3CVSSMEDIUM
Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 26.1, macOS Tahoe 26.1, iOS 26.1 and iPadOS 26.1, Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, visionOS 26.1. Processing maliciously crafted web content may lead to an unexpected Safari crash.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:RUser InteractionRequired
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:NIntegrityNone
A:LAvailabilityLow
Weaknesses
Affected Products
and 13 more affected products View all →
Attack Graph
Products CVE Techniques Tactics
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Exploitability
Official Patch Available
MITRE ATT&CK
2 techniques Initial Access
Privilege Escalation
References
https://nvd.nist.gov/vuln/detail/CVE-2025-43434
nvd.nist.gov
https://security-tracker.debian.org/tracker/CVE-2025-43434
security-tracker.debian.org
https://webkitgtk.org/security/WSA-2025-0008.html
webkitgtk.org
and 15 more references View all →
Timeline
Published
Nov 4, 2025
Last Updated
Dec 17, 2025
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