{"id":"AZL-13023","summary":"CVE-2021-36647 affecting package fluent-bit for versions less than 2.0.9-1","details":"Use of a Broken or Risky Cryptographic Algorithm in the function mbedtls_mpi_exp_mod() in lignum.c in Mbed TLS Mbed TLS all versions before 3.0.0, 2.27.0 or 2.16.11 allows attackers with access to precise enough timing and memory access information (typically an untrusted operating system attacking a secure enclave such as SGX or the TrustZone secure world) to recover the private keys used in RSA.","modified":"2026-04-01T05:07:25.938254Z","published":"2023-01-17T21:15:10Z","upstream":["CVE-2021-36647"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36647"}],"affected":[{"package":{"name":"fluent-bit","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/fluent-bit"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.9-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-13023.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"}]}