CVE-2025-43342
9.8
CRITICAL
CVSS 3.1
EPSS 0.55%
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.
How to fix CVE-2025-43342
To remediate CVE-2025-43342, upgrade the affected package to a fixed version below.
- Debian/webkit2gtk—upgrade to 2.50.1-1~deb11u1 or later
- —no fix listed
Is CVE-2025-43342 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.50.1-1~deb11u1
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |