CVE-2025-43227

This issue was addressed through improved state management. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may disclose sensitive user information.

Published: 2025-07-30 Last update: 2026-04-02 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2025-43227 is rated Moderate Risk (57.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.93%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-43227

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-25 0.26% 0.93% +0.68%
2 2026-05-15 0.21% 0.26% +0.04%
3 2026-04-14 0.21%

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-43227

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 3.6 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2025-43227

OS Trackers for CVE-2025-43227

vendor priority summary link
debian not yet assigned CVE-2025-43227 not yet assigned priority: Debian including 2 source packages (webkit2gtk, wpewebkit), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 7, open 3. https://security-tracker.debian.org/tracker/CVE-2025-43227
gentoo high CVE-2025-43227: 1 GLSA(s) (202511-02), 1 atom(s) (net-libs/webkit-gtk); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2025-43227
redhat medium https://access.redhat.com/security/cve/CVE-2025-43227
suse high CVE-2025-43227 severity important: SUSE including 107 source package names (WebKitGTK-4.0-lang-2.48.5-150400.4.122.1, WebKitGTK-4.0-lang-2.48.5-150600.12.43.1, …), 402 product×package rows across 34 product lines (SUSE Enterprise Storage 7.1, SUSE Liberty Linux 8, … (34 product lines)): Fixed 375, Known Not Affected 27. https://www.suse.com/security/cve/CVE-2025-43227/
ubuntu medium CVE-2025-43227 medium priority: Ubuntu including 5 source packages (qtwebkit-opensource-src, qtwebkit-source, webkit2gtk, webkitgtk, wpewebkit), 31 status rows across 7 suites (bionic, focal, jammy, noble, plucky, upstream, xenial): ignored 14, DNE 9, needs-triage 4, released 4. https://ubuntu.com/security/CVE-2025-43227

Affected software / configurations for CVE-2025-43227

Vendor Product Version Raw CPE
apple safari < 18.6 cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
apple ipados < 18.6 cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
apple iphone_os < 18.6 cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple macos < 15.6 cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
apple tvos < 18.6 cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
apple visionos < 2.6 cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
apple watchos < 11.6 cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

References for CVE-2025-43227

cvelogic Threat Intelligence