CVE-2025-43342

CWE-20 — Improper Input Validation15 documents8 sources
Severity
9.8CRITICAL
EPSS
0.3%
top 43.91%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
10
Apple IOS AND IpadosApple MacosApple Safari+7 more
Timeline
PublishedSep 15
Latest updateOct 9

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages18 packages

▶NVDapple/ipados< 18.7
▶CVEListV5apple/ios_and_ipados< 18.7+1
▶CVEListV5apple/tvos< 26
▶NVDapple/tvos< 26.0
▶CVEListV5apple/macos< 26

🔴Vulnerability Details

4
GHSA
GHSA-f8v5-f9hr-87fq: A correctness issue was addressed with improved checks↗2025-09-16
▶
OSV
CVE-2025-43342: A correctness issue was addressed with improved checks↗2025-09-15
▶
OSV
CVE-2025-43342: A correctness issue was addressed with improved checks↗2025-09-15
▶
CVEList
CVE-2025-43342: A correctness issue was addressed with improved checks↗2025-09-15
▶

📋Vendor Advisories

10
Ubuntu
WebKitGTK vulnerabilities↗2025-10-09
▶
Red Hat
webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash↗2025-09-23
▶
Apple
CVE-2025-43342: visionOS 26↗2025-09-15
▶
Apple
CVE-2025-43342: watchOS 26↗2025-09-15
▶
Apple
CVE-2025-43342: macOS Tahoe 26↗2025-09-15
▶