Description
In Mbed TLS 3.2.0 though 3.6.6 and 4.0.0 through 4.1.0, an attacker who can cause an entropy source to fail can remove or inject bytes into the start of the TLS stream. This only affects TLS 1.3 servers.
Published: 2026-09-24
Score: 2.9 Low
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 25 Sep 2026 06:00:00 +0000

Type Values Removed Values Added
First Time appeared Trustedfirmware
Trustedfirmware mbed Tls
Vendors & Products Trustedfirmware
Trustedfirmware mbed Tls

Thu, 24 Sep 2026 15:00:00 +0000

Type Values Removed Values Added
Description In Mbed TLS 3.2.0 though 3.6.6 and 4.0.0 through 4.1.0, an attacker who can cause an entropy source to fail can remove or inject bytes into the start of the TLS stream. This only affects TLS 1.3 servers.
Weaknesses CWE-394
References
Metrics cvssV3_1

{'score': 2.9, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N'}


Subscriptions

Trustedfirmware Mbed Tls
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-09-24T18:00:20.196Z

Reserved: 2026-08-10T19:25:32.256Z

Link: CVE-2026-73064

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-24T15:17:34.273

Modified: 2026-09-24T21:04:40.340

Link: CVE-2026-73064

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-25T05:45:17Z

Weaknesses
  • CWE-394

    Unexpected Status Code or Return Value