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CVE-2025-43342

Published: Sep 15, 2025Updated: Nov 20, 2025 Sources: CVE List NVD BDUCWE-20
9.8CRITICAL
NVD MITRE
EPSS Score
0.7%
Top 50.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

A correctness issue was addressed with improved checks. This issue is fixed in Safari 26, tvOS 26, watchOS 26, iOS 26 and iPadOS 26, visionOS 26, iOS 18.7 and iPadOS 18.7. Processing maliciously crafted web content may lead to an unexpected process crash.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-20

Affected Products

Apple Inc.
commercial·USaka apple, apple computer
iOS and iPadOSEmbeddedOS
Operating Systems / mobile-os
iPadOSEmbeddedOS
Operating Systems / mobile-os
SafariOn-premDesktop App
Consumer Software / browser
MacOSOn-premOS
Operating Systems / unix-bsd
tvOSEmbeddedOS
Operating Systems / mobile-os
visionOSOS
Operating Systems / mobile-os
watchOSEmbeddedOS
Operating Systems / mobile-os
WebKit
Operating Systems
Сообщество свободного программного обеспечения
oss-projectaka fsf
Debian GNU/LinuxOn-premOS
Operating Systems / linux-distro
WPE WebKitLibraryLibrary
Operating Systems
ООО «РусБИТех-Астра»
commercial·RUaka rusbitech-astra
Astra Linux Special EditionOn-premOS
Operating Systems / linux-distro
Canonical Ltd.
commercial·GBaka canonical
UbuntuOn-premOS
Operating Systems / linux-distro
webkitgtk
oss-projectaka webkitgtk+, webkit2gtk3, webkit2gtk
webkitgtkLibraryLibrary
OSS Libraries / generic-library
wpewebkit
oss-projectaka wpewebkit webkit
wpe webkitLibrary
Web & CMS Plugins / cms-core
and 13 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2025-43342?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://github.com/WebKit/WebKit/commit/8b9fc1b8515151cca3a4a46b3b537ab81948bb61
github.com
https://nvd.nist.gov/vuln/detail/CVE-2025-43342
nvd.nist.gov
https://security-tracker.debian.org/tracker/CVE-2025-43342
security-tracker.debian.org
and 18 more references View all →

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