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    CVE-2025-43457

    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.

    Published:Nov 4, 2025
    Last Modified:Jun 30, 2026
    EPS:Nov 4, 2025
    EPSS Score:0.00384
    CVSS Score:6.5

    Affected Products

    Vendor
    Apple
    Product
    Ios
    Vendor
    Apple
    Product
    Ipados
    Vendor
    Apple
    Product
    Iphone Os
    Vendor
    Apple
    Product
    Safari
    Vendor
    Apple
    Product
    Visionos
    Vendor
    Apple
    Product
    Watchos

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-20643 (CVSS 5.4) — A cross-origin issue in the Navigation API was addressed with improved input validation. This issue is fixed i…
    CVE-2025-46306 (CVSS 5.5) — The issue was addressed with improved bounds checks. This issue is fixed in Keynote 15.1, iOS 26 and iPadOS 26…
    CVE-2025-46316 (CVSS 4.3) — An out-of-bounds read was addressed with improved input validation. This issue is fixed in Pages 15.1, iOS 26.…
    CVE-2021-47827 (CVSS 4.6) — WebSSH for iOS 14.16.10 contains a denial of service vulnerability in the mashREPL tool that allows attackers …
    CVE-2025-24090 (CVSS 3.3) — A permissions issue was addressed with additional restrictions. This issue is fixed in iOS 18.3 and iPadOS 18.…
    CVE-2025-24089 (CVSS 5.3) — A permissions issue was addressed with additional restrictions. This issue is fixed in iOS 18.3 and iPadOS 18.…
    CVE-2024-54556 (CVSS 2.4) — This issue was addressed through improved state management. This issue is fixed in iOS 18.1 and iPadOS 18.1. A…
    CVE-2024-44238 (CVSS 7.8) — The issue was addressed with improved bounds checks. This issue is fixed in iOS 18.1 and iPadOS 18.1, macOS Se…
    CVE-2025-46298 (CVSS 6.5) — The issue was addressed with improved memory handling. This issue is fixed in Safari 26.2, iOS 26.2 and iPadOS…
    CVE-2025-46299 (CVSS 4.3) — A memory initialization issue was addressed with improved memory handling. This issue is fixed in Safari 26.2,…

    References

    https://support.apple.com/en-us/125632
    https://support.apple.com/en-us/125634
    https://support.apple.com/en-us/125638
    https://support.apple.com/en-us/125639
    https://support.apple.com/en-us/125640
    https://access.redhat.com/errata/RHSA-2026:10702
    https://access.redhat.com/errata/RHSA-2026:11329
    https://access.redhat.com/errata/RHSA-2026:11814
    https://access.redhat.com/errata/RHSA-2026:13845
    https://access.redhat.com/errata/RHSA-2026:14659
    https://access.redhat.com/errata/RHSA-2026:16056
    https://access.redhat.com/errata/RHSA-2026:16695
    https://access.redhat.com/errata/RHSA-2026:19206
    https://access.redhat.com/errata/RHSA-2026:19535
    https://access.redhat.com/errata/RHSA-2026:22136
    https://access.redhat.com/errata/RHSA-2026:9692
    https://access.redhat.com/security/cve/CVE-2025-43457
    https://bugzilla.redhat.com/show_bug.cgi?id=2448786
    https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-43457.json

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High