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CVE-2021-45451

Medium priority
Ignored

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.

1 affected package

mbedtls

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mbedtls Not affected Not affected Not affected Not affected
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CVE-2021-45450

Medium priority
Vulnerable

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.

1 affected package

mbedtls

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mbedtls Not affected Not affected Vulnerable Vulnerable
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CVE-2021-44732

Medium priority

Some fixes available 2 of 9

Mbed TLS before 3.0.1 has a double free in certain out-of-memory conditions, as demonstrated by an mbedtls_ssl_set_session() failure.

1 affected package

mbedtls

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mbedtls Not affected Not affected Fixed Fixed
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CVE-2020-36478

Medium priority
Needs evaluation

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....

1 affected package

mbedtls

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mbedtls Not affected Not affected Needs evaluation Needs evaluation
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CVE-2020-36477

Medium priority
Vulnerable

An issue was discovered in Mbed TLS before 2.24.0. The verification of X.509 certificates when matching the expected common name (the cn argument of mbedtls_x509_crt_verify) with the actual certificate name is mishandled: when the...

1 affected package

mbedtls

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mbedtls Not affected Not affected Vulnerable Vulnerable
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CVE-2020-36476

Low priority
Needs evaluation

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.

1 affected package

mbedtls

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mbedtls Not affected Not affected Needs evaluation Needs evaluation
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CVE-2020-36475

Medium priority
Needs evaluation

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...

1 affected package

mbedtls

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mbedtls Not affected Not affected Needs evaluation Needs evaluation
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CVE-2020-36426

Medium priority
Vulnerable

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).

1 affected package

mbedtls

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mbedtls Not affected Not affected Vulnerable Vulnerable
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CVE-2020-36425

Medium priority
Vulnerable

An issue was discovered in Arm Mbed TLS before 2.24.0. It incorrectly uses a revocationDate check when deciding whether to honor certificate revocation via a CRL. In some situations, an attacker can exploit this by changing the...

1 affected package

mbedtls

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mbedtls Not affected Not affected Vulnerable Vulnerable
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CVE-2020-36424

Medium priority
Vulnerable

An issue was discovered in Arm Mbed TLS before 2.24.0. An attacker can recover a private key (for RSA or static Diffie-Hellman) via a side-channel attack against generation of base blinding/unblinding values.

1 affected package

mbedtls

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mbedtls Not affected Not affected Vulnerable Vulnerable
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