Mbed TLS before 3.6.5 allows a local timing attack against certain RSA operations, and direct calls to mbedtls_mpi_mod_inv or mbedtls_mpi_gcd.

Fix status by distribution

Fixed packages published by each distribution for this CVE

• Alpine Linux ALPINE-CVE-2025-54764 mbedtls Fixed in: 3.6.5-r0
• Debian DEBIAN-CVE-2025-54764 mbedtls

References

• advisory github.com
• advisory mbed-tls.readthedocs.io
• advisory mbed-tls.readthedocs.io
• advisory nvd.nist.gov