Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2025-43368

Use After Free

Published: Sep 15, 2025 | Modified: Nov 04, 2025
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
RedHat/V2
RedHat/V3
8.8 IMPORTANT
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2025-43368
CWEhttps://cwe.mitre.org/data/definitions/416.html

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26, iOS 26 and iPadOS 26. Processing maliciously crafted web content may lead to an unexpected Safari crash.

Weakness

The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory “belongs” to the code that operates on the new pointer.

Affected Software

NameVendorStart VersionEnd Version
SafariApple*26.0 (excluding)
IpadosApple*26.0 (excluding)
Iphone_osApple*26.0 (excluding)
MacosApple*26.0 (excluding)
Red Hat Enterprise Linux 7 Extended Lifecycle SupportRedHatwebkitgtk4-0:2.50.0-1.el7_9*
Red Hat Enterprise Linux 8RedHatwebkit2gtk3-0:2.50.0-1.el8_10*
Red Hat Enterprise Linux 8.2 Advanced Update SupportRedHatwebkit2gtk3-0:2.50.0-1.el8_2*
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRedHatwebkit2gtk3-0:2.50.0-1.el8_4*
Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnRedHatwebkit2gtk3-0:2.50.0-1.el8_4*
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRedHatwebkit2gtk3-0:2.50.0-1.el8_6*
Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceRedHatwebkit2gtk3-0:2.50.0-1.el8_6*
Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRedHatwebkit2gtk3-0:2.50.0-1.el8_6*
Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceRedHatwebkit2gtk3-0:2.50.0-1.el8_8.1*
Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsRedHatwebkit2gtk3-0:2.50.0-1.el8_8.1*
Red Hat Enterprise Linux 9RedHatwebkit2gtk3-0:2.50.1-0.el9_6*
Red Hat Enterprise Linux 9RedHatwebkit2gtk3-0:2.50.1-1.el9_7*
Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRedHatwebkit2gtk3-0:2.50.0-2.el9_0*
Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsRedHatwebkit2gtk3-0:2.50.0-2.el9_2*
Red Hat Enterprise Linux 9.4 Extended Update SupportRedHatwebkit2gtk3-0:2.50.0-2.el9_4*
Qtwebkit-opensource-srcUbuntuesm-apps/bionic*
Qtwebkit-opensource-srcUbuntuesm-apps/focal*
Qtwebkit-opensource-srcUbuntuesm-apps/jammy*
Qtwebkit-opensource-srcUbuntuesm-apps/noble*
Qtwebkit-opensource-srcUbuntuesm-infra/xenial*
Qtwebkit-opensource-srcUbuntujammy*
Qtwebkit-opensource-srcUbuntunoble*
Qtwebkit-sourceUbuntuesm-apps/bionic*
Qtwebkit-sourceUbuntuesm-apps/xenial*
Webkit2gtkUbuntudevel*
Webkit2gtkUbuntuesm-infra/bionic*
Webkit2gtkUbuntuesm-infra/focal*
Webkit2gtkUbuntuesm-infra/xenial*
Webkit2gtkUbuntujammy*
Webkit2gtkUbuntunoble*
Webkit2gtkUbuntuplucky*
Webkit2gtkUbuntuquesting*
Webkit2gtkUbuntuupstream*
WebkitgtkUbuntuesm-apps/bionic*
WebkitgtkUbuntuesm-apps/xenial*

Potential Mitigations

References

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