Mbed-tls-announce March 2026

mbed-tls-announce@lists.trustedfirmware.org

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Announcing the releases of Mbed TLS 3.6.6, Mbed TLS 4.1.0 & TF-PSA-Crypto 1.1.0

by Minos Galanakis

Hi Mbed TLS users, We have released Mbed TLS 4.1.0, Mbed TLS 3.6.6, and TF-PSA-Crypto 1.1.0. These releases address several security issues, include bug fixes, and bring other improvements. Mbed TLS 4.1.0 and TF-PSA-Crypto 1.1.0 are new Long Term Support (LTS) releases and will be supported until March 2029. Mbed TLS 3.6 remains supported until March 2027. We recommend all users review the changes, assess any impact, and upgrade as appropriate. Full details are available in the release notes: https://github.com/Mbed-TLS/mbedtls/releases/tag/mbedtls-4.1.0 https://github.com/Mbed-TLS/mbedtls/releases/tag/mbedtls-3.6.6 https://github.com/Mbed-TLS/TF-PSA-Crypto/releases/tag/tf-psa-crypto-1.1.0 Kind regards, The Mbed TLS Team IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you.

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Mbed-tls-announce March 2026