An issue was discovered in Mbed TLS before 2.28.9 and 3.x before 3.6.1, in which the user-selected algorithm is not used. Unlike previously documented, enabling MBEDTLS_PSA_HMAC_DRBG_MD_TYPE does not cause the PSA subsystem to use HMAC_DRBG: it uses HMAC_DRBG only when MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG and MBEDTLS_CTR_DRBG_C are disabled.
{
"sources": [
{
"published": "2024-09-05T19:15:12.960Z",
"url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2024-45157",
"html_url": "https://nvd.nist.gov/vuln/detail/CVE-2024-45157",
"imported": "2026-07-17T20:47:08.786Z",
"id": "CVE-2024-45157",
"database_specific": {
"status": "Modified"
},
"modified": "2026-06-17T07:53:40.820Z"
}
],
"license": "CC-BY-4.0"
}