CVE-2025-43342

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Summary

CVECVE-2025-43342
StatePUBLISHED
Assignerapple
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-09-15 23:15:36 UTC
Updated2026-04-02 19:20:30 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from ADP

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.002890000 probability, percentile 0.523260000 (date 2026-04-02)

Problem Types: CWE-20 | Processing maliciously crafted web content may lead to an unexpected process crash | CWE-20 CWE-20 Improper Input Validation

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Apple Ipados All All All All
Operating System Apple Iphone Os All All All All
Operating System Apple Macos All All All All
Application Apple Safari All All All All
Operating System Apple Tvos All All All All
Operating System Apple Visionos All All All All
Operating System Apple Watchos All All All All
Application Webkitgtk Webkitgtk All All All All
Application Wpewebkit Wpe Webkit All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Apple Safari affected 26 custom Not specified
CNA Apple IOS And IPadOS affected 18.7 custom Not specified
CNA Apple IOS And IPadOS affected 26 custom Not specified
CNA Apple MacOS affected 26 custom Not specified
CNA Apple TvOS affected 26 custom Not specified
CNA Apple VisionOS affected 26 custom Not specified
CNA Apple WatchOS affected 26 custom Not specified

References

ReferenceSourceLinkTags
seclists.org/fulldisclosure/2025/Sep/49 af854a3a-2127-422b-91ae-364da2661108 seclists.org Mailing List, Third Party Advisory
seclists.org/fulldisclosure/2025/Sep/57 af854a3a-2127-422b-91ae-364da2661108 seclists.org Mailing List, Third Party Advisory
support.apple.com/en-us/125108 [email protected] support.apple.com Release Notes, Vendor Advisory
seclists.org/fulldisclosure/2025/Sep/53 af854a3a-2127-422b-91ae-364da2661108 seclists.org Mailing List, Third Party Advisory
support.apple.com/en-us/125113 [email protected] support.apple.com Release Notes, Vendor Advisory
support.apple.com/en-us/125115 [email protected] support.apple.com Release Notes, Vendor Advisory
seclists.org/fulldisclosure/2025/Sep/59 af854a3a-2127-422b-91ae-364da2661108 seclists.org Mailing List, Third Party Advisory
support.apple.com/en-us/125116 [email protected] support.apple.com Release Notes, Vendor Advisory
www.openwall.com/lists/oss-security/2025/09/22/3 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
support.apple.com/en-us/125114 [email protected] support.apple.com Release Notes, Vendor Advisory
support.apple.com/en-us/125109 [email protected] support.apple.com Release Notes, Vendor Advisory
support.apple.com/en-us/125110 [email protected] support.apple.com
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