Vulnerability Intelligence Report
CVE-2025-43209
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 18.6 and iPadOS 18.6, iPadOS 17.7.9, macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.
No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
Exploitability:3.9
Impact Score:5.9
EPSS Probability:0.83%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-787 ↗CWE-787 Out-of-bounds Write
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Apple | iOS and iPadOS | 0 < 18.6 (affected) |
| Apple | iPadOS | 0 < 17.7.9 (affected) |
| Apple | macOS | 0 < 13.7.7 (affected), 0 < 14.7.7 (affected), 0 < 15.6 (affected) |
| Apple | tvOS | 0 < 18.6 (affected) |
| Apple | visionOS | 0 < 2.6 (affected) |
| Apple | watchOS | 0 < 11.6 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.831%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Apple Inc. · Vendor · USA |
| Reserved | 2025-04-16T15:24:37 |
| Published | 2025-07-29T23:35:27 |
| Last Updated | 2026-04-02T18:14:21 |
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