An issue was discovered in Mbed TLS through 3.5.1. In mbedtls_ssl_session_reset, the maximum negotiable TLS version is mishandled. For example, if the last connection negotiated TLS 1.2, then 1.2 becomes the new maximum.
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Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2024-01-22. NVD baseline CVSS 7.5; sources differ by 0.0.
An issue was discovered in Mbed TLS through 3.5.1. In mbedtls_ssl_session_reset, the maximum negotiable TLS version is mishandled. For example, if the last connection negotiated TLS 1.2, then 1.2 becomes the new maximum.
January 21, 2024
May 30, 2025
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msrc
CWE-384