CVE-2025-43343

EUVD-2025-29294
The issue was addressed with improved memory handling. This issue is fixed in Safari 26, iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. Processing maliciously crafted web content may lead to an unexpected process crash.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
applesafari
𝑥
< 26.0
appleipados
𝑥
< 26.0
appleiphone_os
𝑥
< 26.0
applemacos
𝑥
< 26.0
appletvos
𝑥
< 26.0
applevisionos
𝑥
< 26.0
applewatchos
𝑥
< 26.0
webkitgtkwebkitgtk
𝑥
< 2.50.1
wpewebkitwpe_webkit
𝑥
< 2.50.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://support.apple.com/en-us/125108
https://support.apple.com/en-us/125110
https://support.apple.com/en-us/125113
https://support.apple.com/en-us/125114
https://support.apple.com/en-us/125115
https://support.apple.com/en-us/125116
http://seclists.org/fulldisclosure/2025/Sep/49
http://seclists.org/fulldisclosure/2025/Sep/53
http://seclists.org/fulldisclosure/2025/Sep/57
http://seclists.org/fulldisclosure/2025/Sep/59
http://www.openwall.com/lists/oss-security/2025/10/13/4
https://access.redhat.com/errata/RHSA-2025:19946
https://security-tracker.debian.org/tracker/CVE-2025-43343
https://ubuntu.com/security/CVE-2025-43343
https://webkitgtk.org/security/WSA-2025-0007.html