MbedTLS
by Arm
Source repositories
CVEs (73)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2023-43615 | Hig | 0.49 | 7.5 | 0.01 | Oct 7, 2023 | Mbed TLS 2.x before 2.28.5 and 3.x before 3.5.0 has a Buffer Overflow. | ||
| CVE-2021-43666 | Hig | 0.49 | 7.5 | 0.02 | Mar 24, 2022 | A Denial of Service vulnerability exists in mbed TLS 3.0.0 and earlier in the mbedtls_pkcs12_derivation function when an input password's length is 0. | ||
| CVE-2021-45451 | Hig | 0.49 | 7.5 | 0.01 | Dec 21, 2021 | In Mbed TLS before 3.1.0, psa_aead_generate_nonce allows policy bypass or oracle-based decryption when the output buffer is at memory locations accessible to an untrusted application. | ||
| CVE-2021-45450 | Hig | 0.49 | 7.5 | 0.01 | Dec 21, 2021 | In Mbed TLS before 2.28.0 and 3.x before 3.1.0, psa_cipher_generate_iv and psa_cipher_encrypt allow policy bypass or oracle-based decryption when the output buffer is at memory locations accessible to an untrusted application. | ||
| CVE-2018-1000520 | Hig | 0.49 | 7.5 | 0.01 | Jun 26, 2018 | ARM mbedTLS version 2.7.0 and earlier contains a Ciphersuite Allows Incorrectly Signed Certificates vulnerability in mbedtls_ssl_get_verify_result() that can result in ECDSA-signed certificates are accepted, when only RSA-signed ones should be.. This attack appear to be… | ||
| CVE-2018-9989 | Hig | 0.49 | 7.5 | 0.02 | Apr 10, 2018 | ARM mbed TLS before 2.1.11, before 2.7.2, and before 2.8.0 has a buffer over-read in ssl_parse_server_psk_hint() that could cause a crash on invalid input. | ||
| CVE-2018-9988 | Hig | 0.49 | 7.5 | 0.02 | Apr 10, 2018 | ARM mbed TLS before 2.1.11, before 2.7.2, and before 2.8.0 has a buffer over-read in ssl_parse_server_key_exchange() that could cause a crash on invalid input. | ||
| CVE-2024-28960 | Hig | 0.46 | 8.2 | 0.01 | Mar 29, 2024 | An issue was discovered in Mbed TLS 2.18.0 through 2.28.x before 2.28.8 and 3.x before 3.6.0, and Mbed Crypto. The PSA Crypto API mishandles shared memory. | ||
| CVE-2026-25835 | Hig | 0.43 | 7.7 | 0.00 | Apr 1, 2026 | Mbed TLS before 3.6.6 and TF-PSA-Crypto before 1.1.0 misuse seeds in a Pseudo-Random Number Generator (PRNG). | ||
| CVE-2026-34876 | Hig | 0.42 | 7.5 | 0.00 | Apr 2, 2026 | An issue was discovered in Mbed TLS 3.x before 3.6.6. An out-of-bounds read vulnerability in mbedtls_ccm_finish() in library/ccm.c allows attackers to obtain adjacent CCM context data via invocation of the multipart CCM API with an oversized tag_len parameter. This is caused by… | ||
| CVE-2026-34874 | Hig | 0.42 | 7.5 | 0.00 | Apr 1, 2026 | An issue was discovered in Mbed TLS through 3.6.5 and 4.x through 4.0.0. There is a NULL pointer dereference in distinguished name parsing that allows an attacker to write to address 0. | ||
| CVE-2026-25833 | Hig | 0.42 | 7.5 | 0.00 | Apr 1, 2026 | Mbed TLS 3.5.0 to 3.6.5 fixed in 3.6.6 and 4.1.0 has a buffer overflow in the x509_inet_pton_ipv6() function | ||
| CVE-2024-28755 | Med | 0.42 | 6.5 | 0.00 | Apr 3, 2024 | An issue was discovered in Mbed TLS 3.5.x before 3.6.0. When an SSL context was reset with the mbedtls_ssl_session_reset() API, the maximum TLS version to be negotiated was not restored to the configured one. An attacker was able to prevent an Mbed TLS server from establishing… | ||
| CVE-2024-23775 | Hig | 0.42 | 7.5 | 0.01 | Jan 31, 2024 | Integer Overflow vulnerability in Mbed TLS 2.x before 2.28.7 and 3.x before 3.5.2, allows attackers to cause a denial of service (DoS) via mbedtls_x509_set_extension(). | ||
| CVE-2020-36478 | Hig | 0.42 | 7.5 | 0.01 | Aug 23, 2021 | An issue was discovered in Mbed TLS before 2.25.0 (and before 2.16.9 LTS and before 2.7.18 LTS). A NULL algorithm parameters entry looks identical to an array of REAL (size zero) and thus the certificate is considered valid. However, if the parameters do not match in any way,… | ||
| CVE-2020-36476 | Hig | 0.42 | 7.5 | 0.02 | Aug 23, 2021 | An issue was discovered in Mbed TLS before 2.24.0 (and before 2.16.8 LTS and before 2.7.17 LTS). There is missing zeroization of plaintext buffers in mbedtls_ssl_read to erase unused application data from memory. | ||
| CVE-2020-36475 | Hig | 0.42 | 7.5 | 0.02 | Aug 23, 2021 | An issue was discovered in Mbed TLS before 2.25.0 (and before 2.16.9 LTS and before 2.7.18 LTS). The calculations performed by mbedtls_mpi_exp_mod are not limited; thus, supplying overly large parameters could lead to denial of service when generating Diffie-Hellman key pairs. | ||
| CVE-2020-36426 | Hig | 0.42 | 7.5 | 0.02 | Jul 19, 2021 | An issue was discovered in Arm Mbed TLS before 2.24.0. mbedtls_x509_crl_parse_der has a buffer over-read (of one byte). | ||
| CVE-2020-36423 | Hig | 0.42 | 7.5 | 0.01 | Jul 19, 2021 | An issue was discovered in Arm Mbed TLS before 2.23.0. A remote attacker can recover plaintext because a certain Lucky 13 countermeasure doesn't properly consider the case of a hardware accelerator. | ||
| CVE-2025-54764 | Med | 0.40 | 6.2 | 0.00 | Oct 20, 2025 | 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. |
- risk 0.49cvss 7.5epss 0.01
Mbed TLS 2.x before 2.28.5 and 3.x before 3.5.0 has a Buffer Overflow.
- risk 0.49cvss 7.5epss 0.02
A Denial of Service vulnerability exists in mbed TLS 3.0.0 and earlier in the mbedtls_pkcs12_derivation function when an input password's length is 0.
- risk 0.49cvss 7.5epss 0.01
In Mbed TLS before 3.1.0, psa_aead_generate_nonce allows policy bypass or oracle-based decryption when the output buffer is at memory locations accessible to an untrusted application.
- risk 0.49cvss 7.5epss 0.01
In Mbed TLS before 2.28.0 and 3.x before 3.1.0, psa_cipher_generate_iv and psa_cipher_encrypt allow policy bypass or oracle-based decryption when the output buffer is at memory locations accessible to an untrusted application.
- risk 0.49cvss 7.5epss 0.01
ARM mbedTLS version 2.7.0 and earlier contains a Ciphersuite Allows Incorrectly Signed Certificates vulnerability in mbedtls_ssl_get_verify_result() that can result in ECDSA-signed certificates are accepted, when only RSA-signed ones should be.. This attack appear to be…
- risk 0.49cvss 7.5epss 0.02
ARM mbed TLS before 2.1.11, before 2.7.2, and before 2.8.0 has a buffer over-read in ssl_parse_server_psk_hint() that could cause a crash on invalid input.
- risk 0.49cvss 7.5epss 0.02
ARM mbed TLS before 2.1.11, before 2.7.2, and before 2.8.0 has a buffer over-read in ssl_parse_server_key_exchange() that could cause a crash on invalid input.
- risk 0.46cvss 8.2epss 0.01
An issue was discovered in Mbed TLS 2.18.0 through 2.28.x before 2.28.8 and 3.x before 3.6.0, and Mbed Crypto. The PSA Crypto API mishandles shared memory.
- risk 0.43cvss 7.7epss 0.00
Mbed TLS before 3.6.6 and TF-PSA-Crypto before 1.1.0 misuse seeds in a Pseudo-Random Number Generator (PRNG).
- risk 0.42cvss 7.5epss 0.00
An issue was discovered in Mbed TLS 3.x before 3.6.6. An out-of-bounds read vulnerability in mbedtls_ccm_finish() in library/ccm.c allows attackers to obtain adjacent CCM context data via invocation of the multipart CCM API with an oversized tag_len parameter. This is caused by…
- risk 0.42cvss 7.5epss 0.00
An issue was discovered in Mbed TLS through 3.6.5 and 4.x through 4.0.0. There is a NULL pointer dereference in distinguished name parsing that allows an attacker to write to address 0.
- risk 0.42cvss 7.5epss 0.00
Mbed TLS 3.5.0 to 3.6.5 fixed in 3.6.6 and 4.1.0 has a buffer overflow in the x509_inet_pton_ipv6() function
- risk 0.42cvss 6.5epss 0.00
An issue was discovered in Mbed TLS 3.5.x before 3.6.0. When an SSL context was reset with the mbedtls_ssl_session_reset() API, the maximum TLS version to be negotiated was not restored to the configured one. An attacker was able to prevent an Mbed TLS server from establishing…
- risk 0.42cvss 7.5epss 0.01
Integer Overflow vulnerability in Mbed TLS 2.x before 2.28.7 and 3.x before 3.5.2, allows attackers to cause a denial of service (DoS) via mbedtls_x509_set_extension().
- risk 0.42cvss 7.5epss 0.01
An issue was discovered in Mbed TLS before 2.25.0 (and before 2.16.9 LTS and before 2.7.18 LTS). A NULL algorithm parameters entry looks identical to an array of REAL (size zero) and thus the certificate is considered valid. However, if the parameters do not match in any way,…
- risk 0.42cvss 7.5epss 0.02
An issue was discovered in Mbed TLS before 2.24.0 (and before 2.16.8 LTS and before 2.7.17 LTS). There is missing zeroization of plaintext buffers in mbedtls_ssl_read to erase unused application data from memory.
- risk 0.42cvss 7.5epss 0.02
An issue was discovered in Mbed TLS before 2.25.0 (and before 2.16.9 LTS and before 2.7.18 LTS). The calculations performed by mbedtls_mpi_exp_mod are not limited; thus, supplying overly large parameters could lead to denial of service when generating Diffie-Hellman key pairs.
- risk 0.42cvss 7.5epss 0.02
An issue was discovered in Arm Mbed TLS before 2.24.0. mbedtls_x509_crl_parse_der has a buffer over-read (of one byte).
- risk 0.42cvss 7.5epss 0.01
An issue was discovered in Arm Mbed TLS before 2.23.0. A remote attacker can recover plaintext because a certain Lucky 13 countermeasure doesn't properly consider the case of a hardware accelerator.
- risk 0.40cvss 6.2epss 0.00
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.
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