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Safari / WebKit EUVDEUVD-2026-60491

| CVE-2026-65338 MEDIUM
Buffer Overflow (CWE-119)
2026-08-17 apple GHSA-rr5h-fmcc-4vrx
Buffer Overflow Apple Ios And Ipados
4.3
CVSS 3.1 · Vendor: apple
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Severity by source

Vendor (apple) PRIMARY
4.3 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
vuln.today AI
4.3 MEDIUM

Network-delivered via web content, no privileges needed, user interaction required, scope unchanged, crash-only impact with no confidentiality or integrity loss.

3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
4.0 AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Primary rating from Vendor (apple).

CVSS VectorVendor: apple

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

Lifecycle Timeline

5
Analysis Generated
Aug 18, 2026 - 14:39 vuln.today
CVSS changed
Aug 18, 2026 - 14:22 NVD
4.3 (MEDIUM)
Patch available
Aug 17, 2026 - 22:03 EUVD
CVE Published
Aug 17, 2026 - 21:29 cve.org
MEDIUM 4.3
CVE Published
Aug 17, 2026 - 21:29 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Processing maliciously crafted web content may lead to an unexpected Safari crash.

AnalysisAI

Safari on Apple iOS, iPadOS, and macOS crashes unexpectedly when processing maliciously crafted web content due to improper memory handling (CWE-119) in the underlying WebKit engine. Affected users on iOS/iPadOS below 18.7.10 or 26.6.1, and macOS Tahoe below 26.6.2, are exposed to a denial-of-service condition triggered by visiting an attacker-controlled webpage. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

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Vulnerability AssessmentAI

Exploitation Exploitation requires the victim to actively process maliciously crafted web content - meaning a user must navigate to or be redirected to an attacker-controlled page using Safari (or a WebKit-based browser on iOS/iPadOS). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.3 Medium score with vector AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L accurately reflects the constrained impact: the attack is network-reachable and low-complexity, but requires the victim to interact with malicious web content, and the outcome is limited strictly to an availability impact (Safari crash) with no confidentiality or integrity consequences. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation The primary fix is to update to Apple-released patched versions: iOS 18.7.10 or iPadOS 18.7.10 (legacy branch), iOS 26.6.1 or iPadOS 26.6.1 (current branch), or macOS Tahoe 26.6.2. … Detailed patch versions, workarounds, and compensating controls in full report.
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EUVD-2026-60491 vulnerability details – vuln.today
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