Astra Linux – Vulnerability in mbedtls

In Mbed TLS versions prior to 2.28.10, and 3.x versions prior to 3.6.3, on the client side, servers with trusted certificates for arbitrary hostnames are accepted, unless the TLS client application calls mbedtlssslsethostname...

Astra Linux – Vulnerability in mbedtls

In Mbed TLS versions prior to 2.28.10 and 3.x before 3.6.3, in some cases of failed memory allocation or hardware errors, uninitialized stack memory was used to construct the TLS Finished message. This could potentially lead to authentication bypasses, such as replay attacks...

CVE-2023-43615

Mbed TLS 2.x before 2.28.5 and 3.x before 3.5.0 has a Buffer Overflow...

CVE-2019-18222

The ECDSA signature implementation in ecdsa.c in Arm Mbed Crypto 2.1 and Mbed TLS through 2.19.1 does not reduce the blinded scalar before computing the inverse, which allows a local attacker to recover the private key via side-channel attacks...

CVE-2020-12887

Memory leaks were discovered in the CoAP library in Arm Mbed OS 5.15.3 when using the Arm mbed-coap library 5.1.5. The CoAP parser is responsible for parsing received CoAP packets. The function sncoapparseroptionsparse parses the CoAP option number field of all options present in the input packet...

CVE-2021-27435

ARM mbed product Version 6.3.0 is vulnerable to integer wrap-around in mallocwrapper function, which can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution...

JLSEC-2025-206 An issue was discovered in Arm Mbed TLS before 2.23.0

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...

JLSEC-2025-222 Mbed TLS 2.x before 2.28.5 and 3.x before 3.5.0 has a Buffer Overflow.

Mbed TLS 2.x before 2.28.5 and 3.x before 3.5.0 has a Buffer Overflow...

JLSEC-2025-230 Mbed TLS before 3.6.4 has a NULL pointer dereference because `mbedtls_asn1_store_named_data` can...

Mbed TLS before 3.6.4 has a NULL pointer dereference because mbedtlsasn1storenameddata can trigger conflicting data with val.p of NULL but val.len greater than zero...

JLSEC-2025-211 An issue was discovered in Mbed TLS before 2.24.0 (and before 2.16.8 LTS and before 2.7.17 LTS)

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 mbedtlssslread to erase unused application data from memory...

JLSEC-2025-215 In Mbed TLS before 2.28.0 and 3.x before 3.1.0, `psa_cipher_generate_iv` and `psa_cipher_encrypt`...

In Mbed TLS before 2.28.0 and 3.x before 3.1.0, psaciphergenerateiv and psacipherencrypt allow policy bypass or oracle-based decryption when the output buffer is at memory locations accessible to an untrusted application...

JLSEC-2025-220 An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0

An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0. There is a potential heap-based buffer overflow and heap-based buffer over-read in DTLS if MBEDTLSSSLDTLSCONNECTIONID is enabled and MBEDTLSSSLCIDINLENMAX 2 MBEDTLSSSLCIDOUTLENMAX...

JLSEC-2025-231 Mbed TLS before 3.6.4 allows a use-after-free in certain situations of applications that are...

Mbed TLS before 3.6.4 allows a use-after-free in certain situations of applications that are developed in accordance with the documentation. The function mbedtlsx509stringtonames takes a head argument that is documented as an output argument. The documentation does not suggest that the function...

JLSEC-2025-224 Integer Overflow vulnerability in Mbed TLS 2.x before 2.28.7 and 3.x before 3.5.2, allows attackers...

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 mbedtlsx509setextension...

JLSEC-2025-227 Mbed TLS before 2.28.10 and 3.x before 3.6.3, on the client side, accepts servers that have trusted...

Mbed TLS before 2.28.10 and 3.x before 3.6.3, on the client side, accepts servers that have trusted certificates for arbitrary hostnames unless the TLS client application calls mbedtlssslsethostname...

JLSEC-2025-218 An issue was discovered in Mbed TLS before 2.28.1 and 3.x before 3.2.0

An issue was discovered in Mbed TLS before 2.28.1 and 3.x before 3.2.0. In some configurations, an unauthenticated attacker can send an invalid ClientHello message to a DTLS server that causes a heap-based buffer over-read of up to 255 bytes. This can cause a server crash or possibly information...

JLSEC-2025-232 Side channel in RSA key generation and operations (SSBleed, M-Step)

Vulnerability Mbed TLS's modular inversion routine and GCD routine are vulnerable to local timing attacks in a number of settings discussed below. These functions are used in RSA, making the following operations vulnerable in all configurations: - RSA key generation with any API mbedtlsrsagenkey...

JLSEC-2025-201 An issue was discovered in Arm Mbed TLS before 2.16.6 and 2.7.x before 2.7.15

An issue was discovered in Arm Mbed TLS before 2.16.6 and 2.7.x before 2.7.15. An attacker that can get precise enough side-channel measurements can recover the long-term ECDSA private key by 1 reconstructing the projective coordinate of the result of scalar multiplication by exploiting side...

JLSEC-2025-213 An issue was discovered in Mbed TLS before 2.25.0 (and before 2.16.9 LTS and before 2.7.18 LTS)

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, then the certificate...

JLSEC-2025-229 Mbed TLS before 3.6.4 has a PEM parsing one-byte heap-based buffer underflow, in...

Mbed TLS before 3.6.4 has a PEM parsing one-byte heap-based buffer underflow, in mbedtlspemreadbuffer and two mbedtlspkparse functions, via untrusted PEM input...