vulnerability
Debian: CVE-2021-36647: mbedtls -- security update
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:L/AC:M/Au:S/C:C/I:N/A:N) | Jan 17, 2023 | Jul 30, 2024 | Aug 15, 2025 |
Severity
4
CVSS
(AV:L/AC:M/Au:S/C:C/I:N/A:N)
Published
Jan 17, 2023
Added
Jul 30, 2024
Modified
Aug 15, 2025
Description
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.
Solution
debian-upgrade-mbedtls
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