CVE-2025-54764

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
UNKNOWN
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mitreCNA
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
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Debian Releases
Debian Product
Codename
mbedtls
bullseye
vulnerable
bullseye (security)
vulnerable
bookworm
vulnerable
forky
vulnerable
sid
vulnerable
trixie
vulnerable
References
https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2025-10-ssbleed-mstep/
https://mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories/