Description

An issue was discovered in Mbed TLS 3.5.0 through 4.0.0. Client impersonation can occur while resuming a TLS 1.3 session.

INFO

Published Date :

2026-04-01T00:00:00.000Z

Last Modified :

2026-04-02T16:24:46.024Z

Source :

mitre
AFFECTED PRODUCTS

The following products are affected by CVE-2026-34873 vulnerability.

Vendors Products
Arm
  • Mbed Tls
Mbed-tls
  • Mbedtls
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-34873.

URL Resource
https://mbed-tls.readthedocs.io/en/latest/security-advisories/ cve-icon cve-icon cve-icon
https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2026-03-client-impersonation-while-resuming-tls13-session/ cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-34873 cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-34873 cve-icon
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CVSS Vulnerability Scoring System

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