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CVE-2026-34875

Medium priority
Needs evaluation

(An issue was discovered in Mbed TLS through 3.6.5 and TF-PSA-Crypto 1. ...)

1 affected package

mbedtls

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mbedtls Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-34874

Medium priority
Needs evaluation

(An issue was discovered in Mbed TLS through 3.6.5 and 4.x through 4.0. ...)

1 affected package

mbedtls

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mbedtls Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-34871

Medium priority
Needs evaluation

(An issue was discovered in Mbed TLS before 3.6.6 and 4.x before 4.1.0 ...)

1 affected package

mbedtls

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mbedtls Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-25835

Medium priority
Needs evaluation

(Mbed TLS before 3.6.6 and TF-PSA-Crypto before 1.1.0 misuse seeds in a ...)

1 affected package

mbedtls

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mbedtls Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-25834

Medium priority
Needs evaluation

(Mbed TLS v3.3.0 up to 3.6.5 and 4.0.0 allows Algorithm Downgrade.)

1 affected package

mbedtls

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mbedtls Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-25833

Medium priority
Needs evaluation

(Mbed TLS 3.5.0 to 3.6.5 fixed in 3.6.6 and 4.1.0 has a buffer overflow ...)

1 affected package

mbedtls

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mbedtls Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2025-59438

Medium priority
Vulnerable

Mbed TLS through 3.6.4 has an Observable Timing Discrepancy.

1 affected package

mbedtls

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mbedtls Ignored Ignored Ignored Ignored
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CVE-2025-54764

Medium priority
Vulnerable

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.

1 affected package

mbedtls

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mbedtls Ignored Ignored Ignored Ignored
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CVE-2025-49087

Medium priority
Vulnerable

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.

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-2025-47917

Medium priority

Some fixes available 4 of 7

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 mbedtls_x509_string_to_names() takes a head argument that is documented as...

1 affected package

mbedtls

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
mbedtls Fixed Fixed Fixed Fixed
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