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Apple CVE-2026-20676

MEDIUM
Uncontrolled Resource Consumption (CWE-400)
2026-02-11 product-security@apple.com
Apple Denial Of Service Red Hat Suse
5.3
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
SUSE
4.3 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Red Hat
4.3 MEDIUM
qualitative

Primary rating from NVD.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

3
Patch released
Apr 09, 2026 - 14:30 nvd
Patch available
Analysis Generated
Mar 12, 2026 - 22:02 vuln.today
CVE Published
Feb 11, 2026 - 23:16 nvd
MEDIUM 5.3

DescriptionCVE.org

This issue was addressed through improved state management. This issue is fixed in iOS 26.3 and iPadOS 26.3, Safari 26.3, macOS Tahoe 26.3, visionOS 26.3. A website may be able to track users through Safari web extensions.

AnalysisAI

Safari web extensions on Apple platforms can leak user tracking information due to inadequate state management controls, allowing websites to identify and monitor individual users across browsing sessions. This vulnerability affects iOS, iPadOS, macOS, and visionOS, and is resolved in version 26.3 of each platform. The low CVSS score reflects limited direct user impact, though it represents a privacy concern for Safari users.

Technical ContextAI

Classified as CWE-400 (Uncontrolled Resource Consumption). Affects Safari. This issue was addressed through improved state management. This issue is fixed in iOS 26.3 and iPadOS 26.3, Safari 26.3, macOS Tahoe 26.3, visionOS 26.3. A website may be able to track users through Safari web extensions.

RemediationAI

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

Same weakness CWE-400 – Uncontrolled Resource Consumption

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Vendor StatusVendor

SUSE

Severity: Medium
Product Status
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS Fixed
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS Fixed
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS Fixed
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS Fixed
SUSE Linux Enterprise Server 12 SP5-LTSS Fixed

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CVE-2026-20676 vulnerability details – vuln.today
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