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Vendor/product archive

trustedfirmware / mbed_tls CVEs

Beta · best-effort

41 CVEs tagged to trustedfirmware / mbed_tls11 Critical, 13 High, 17 Medium, 0 Low, 0 Unrated.

CVE-2026-34877

Published Apr 2, 2026

An issue was discovered in Mbed TLS versions from 2.19.0 up to 3.6.5, Mbed TLS 4.0.0. Insufficient protection of serialized SSL context or session structures allows an attacker wh…

CVSS 9.8 · Critical
evidence mentions
2
Buzz score
16.0
Vendor/product tagsBeta · best-effort

CVE-2026-34876

Published 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…

CVSS 7.5 · High
evidence mentions
3
Buzz score
23.9
Vendor/product tagsBeta · best-effort

CVE-2026-34873

Published Apr 1, 2026

An issue was discovered in Mbed TLS 3.5.0 through 4.0.0. Client impersonation can occur while resuming a TLS 1.3 session.

CVSS 9.1 · Critical
evidence mentions
3
Buzz score
23.9
Vendor/product tagsBeta · best-effort

CVE-2026-34874

Published 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 addr…

CVSS 7.5 · High
evidence mentions
3
Buzz score
23.9
Vendor/product tagsBeta · best-effort

CVE-2026-25833

Published 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

CVSS 7.5 · High
evidence mentions
3
Buzz score
23.9
Vendor/product tagsBeta · best-effort

CVE-2025-49087

Published Jul 20, 2025

In Mbed TLS 3.6.1 through 3.6.3 before 3.6.4, a timing discrepancy in block cipher padding removal allows an attacker to recover the plaintext when PKCS#7 padding mode is used.

CVSS 4.0 · Medium
Vendor/product tagsBeta · best-effort

CVE-2025-49601

Published Jul 4, 2025

In MbedTLS 3.3.0 before 3.6.4, mbedtls_lms_import_public_key does not check that the input buffer is at least 4 bytes before reading a 32-bit field, allowing a possible out-of-bou…

CVSS 4.8 · Medium
Vendor/product tagsBeta · best-effort

CVE-2025-49600

Published Jul 4, 2025

In MbedTLS 3.3.0 before 3.6.4, mbedtls_lms_verify may accept invalid signatures if hash computation fails and internal errors go unchecked, enabling LMS (Leighton-Micali Signature…

CVSS 4.9 · Medium
Vendor/product tagsBeta · best-effort

CVE-2025-27810

Published Mar 25, 2025

Mbed TLS before 2.28.10 and 3.x before 3.6.3, in some cases of failed memory allocation or hardware errors, uses uninitialized stack memory to compose the TLS Finished message, po…

CVSS 5.4 · Medium
Vendor/product tagsBeta · best-effort

CVE-2025-27809

Published Mar 25, 2025

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 mb…

CVSS 5.4 · Medium
Vendor/product tagsBeta · best-effort

CVE-2024-45159

Published Sep 5, 2024

An issue was discovered in Mbed TLS 3.x before 3.6.1. With TLS 1.3, when a server enables optional authentication of the client, if the client-provided certificate does not have a…

CVSS 9.8 · Critical
Vendor/product tagsBeta · best-effort

CVE-2024-45158

Published Sep 5, 2024

An issue was discovered in Mbed TLS 3.6 before 3.6.1. A stack buffer overflow in mbedtls_ecdsa_der_to_raw() and mbedtls_ecdsa_raw_to_der() can occur when the bits parameter is lar…

CVSS 9.8 · Critical
Vendor/product tagsBeta · best-effort

CVE-2024-45157

Published Sep 5, 2024

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_D…

CVSS 5.1 · Medium
Vendor/product tagsBeta · best-effort

CVE-2024-30166

Published Apr 3, 2024

In Mbed TLS 3.3.0 through 3.5.2 before 3.6.0, a malicious client can cause information disclosure or a denial of service because of a stack buffer over-read (of less than 256 byte…

CVSS 9.1 · Critical
Vendor/product tagsBeta · best-effort

CVE-2024-28836

Published Apr 3, 2024

An issue was discovered in Mbed TLS 3.5.x before 3.6.0. When negotiating the TLS version on the server side, it can fall back to the TLS 1.2 implementation of the protocol if it i…

CVSS 5.4 · Medium
Vendor/product tagsBeta · best-effort

CVE-2024-28755

Published 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 re…

CVSS 6.5 · Medium
Vendor/product tagsBeta · best-effort

CVE-2024-23775

Published 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().

CVSS 7.5 · High
Vendor/product tagsBeta · best-effort

CVE-2024-23744

Published Jan 21, 2024

An issue was discovered in Mbed TLS 3.5.1. There is persistent handshake denial if a client sends a TLS 1.3 ClientHello without extensions.

CVSS 7.5 · High
Vendor/product tagsBeta · best-effort
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