{"id":"CVE-2025-54764","details":"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.","modified":"2026-03-23T04:59:36.242903817Z","published":"2025-10-20T22:15:37.060Z","related":["openSUSE-SU-2025:15747-1"],"references":[{"type":"ADVISORY","url":"https://mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories/"},{"type":"EVIDENCE","url":"https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2025-10-ssbleed-mstep/"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/armmbed/mbedtls","events":[{"introduced":"0"},{"fixed":"e185d7fd85499c8ce5ca2a54f5cf8fe7dbe3f8df"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"3.6.5"}]}}],"versions":["beta-oob-2","list","mbedos-16.01-release","mbedos-16.03-release","mbedos-2016q1-oob1","mbedos-2016q1-oob2","mbedos-2016q1-oob3","mbedos-release-15-11","mbedos-techcon-oob2","mbedtls-1.3.10","mbedtls-1.4-dtls-preview","mbedtls-2.0.0","mbedtls-2.1.0","mbedtls-2.1.1","mbedtls-2.1.2","mbedtls-2.10.0","mbedtls-2.11.0","mbedtls-2.12.0","mbedtls-2.13.0","mbedtls-2.13.1","mbedtls-2.14.0","mbedtls-2.15.0","mbedtls-2.15.1","mbedtls-2.16.0","mbedtls-2.17.0","mbedtls-2.18.0","mbedtls-2.19.0","mbedtls-2.19.0d1","mbedtls-2.19.0d2","mbedtls-2.19.1","mbedtls-2.2.0","mbedtls-2.2.1","mbedtls-2.20.0","mbedtls-2.20.0d0","mbedtls-2.20.0d1","mbedtls-2.21.0","mbedtls-2.22.0","mbedtls-2.22.0d0","mbedtls-2.23.0","mbedtls-2.24.0","mbedtls-2.25.0","mbedtls-2.26.0","mbedtls-2.3.0","mbedtls-2.4.0","mbedtls-2.5.0","mbedtls-2.5.1","mbedtls-2.6.0","mbedtls-2.6.0-rc1","mbedtls-2.7.0","mbedtls-2.7.0-rc1","mbedtls-2.8.0","mbedtls-2.8.0-rc1","mbedtls-2.9.0","mbedtls-3.0.0","mbedtls-3.1.0","mbedtls-3.2.0","mbedtls-3.2.1","mbedtls-3.3.0","mbedtls-3.4.0","mbedtls-3.4.1","mbedtls-3.5.0","mbedtls-3.5.1","mbedtls-3.5.2","mbedtls-3.6.0","mbedtls-3.6.1","mbedtls-3.6.2","mbedtls-3.6.3","mbedtls-3.6.4","polarssl-1.2.0","polarssl-1.2.1","polarssl-1.2.2","polarssl-1.2.3","polarssl-1.2.4","polarssl-1.2.5","polarssl-1.2.6","polarssl-1.3.0","polarssl-1.3.0-rc0","polarssl-1.3.1","polarssl-1.3.2","polarssl-1.3.3","polarssl-1.3.4","polarssl-1.3.5","polarssl-1.3.6","polarssl-1.3.7","polarssl-1.3.8","polarssl-1.3.9","v2.23.0","v2.24.0","v2.25.0","v2.26.0","v3.0.0","v3.1.0","v3.2.0","v3.2.1","v3.3.0","v3.4.0","v3.4.1","v3.5.0","v3.5.1","v3.5.2","v3.6.0","v3.6.1","v3.6.2","v3.6.3","v3.6.3.1","v3.6.4","yotta-2.2.1","yotta-2.2.2","yotta-2.2.3","yotta-2.3.0","yotta-2.3.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-54764.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}