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CVE-2025-43342

Published: Sep 15, 2025Updated: Nov 20, 2025 Sources: CVE List NVD BDUCWE-20
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
0.7%
Top 52.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A correctness issue was addressed with improved checks. This issue is fixed in Safari 26, iOS 18.7 and iPadOS 18.7, 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.

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

Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
Astra Linux Special EditionООО «РусБИТех-Астра»
On-premOS
Operating Systems / linux-distro
UbuntuCanonical Ltd.
On-premOS
Operating Systems / linux-distro
iOSApple Inc.
EmbeddedOS
Operating Systems / mobile-os
iPadOSApple Inc.
OS
Operating Systems / mobile-os
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
ооо «русбитех-астра»commercialRUOperating Systemsaka rusbitech-astra
canonical ltd.commercialGBOperating Systemsaka canonical
apple inc.commercialUSMobile Appsaka apple
and 22 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

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 →

Timeline

Published
Sep 15, 2025
Last Updated
Nov 20, 2025

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