Medium severity · published Nov 4, 2025
CVE-2025-43457
A use-after-free issue was addressed with improved memory management
6.5
CVSS
0.6%
EPSS
No
On KEV
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, visionOS 26.1, watchOS 26.1. Processing maliciously crafted web content may lead to an unexpected Safari crash.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 49% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IO
iOS · Apple
before 26.1 · source: NVD
SA
Safari · Apple
before 26.1 · source: NVD
VI
Visionos · Apple
before 26.1 · source: NVD
WA
Watchos · Apple
before 26.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-43457
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-43457
Release Notes
https://support.apple.com/en-us/125632
support.apple.com
https://support.apple.com/en-us/125634
Release Notes
https://support.apple.com/en-us/125638
Release Notes
https://support.apple.com/en-us/125639
Release Notes
https://support.apple.com/en-us/125640
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:10702
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