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CVE-2025-59438 - remediation guidance & executive summary | CVEDatabase.com

Home ArmCVE-2025-59438

Medium

5.3CVSS

CVE-2025-59438

Vendor:Arm

Published: 21 Oct 2025

Updated 6mo ago

Generated remediation guidance and an executive summary. No account required.

Description

Mbed TLS through 3.6.4 has an Observable Timing Discrepancy.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: low
Integrity: none
Availability: none
Weaknesses: CWE-208

Metadata

Primary Vendor: ARM
Published: 10/21/2025
Last Modified: 10/23/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

arm : mbed_tls

Remediation Guidance

Executive Summary

View on NIST NVD

Related reading

Use CWE-208, Arm vendor hub and Mbed Tls product page to widen CVE-2025-59438 into its surrounding weakness, vendor, and product context.

Compare it with CVE-2026-34877, CVE-2026-34875 and CVE-2026-34873 for nearby disclosures in the same product family.