High severity7.5NVD Advisory· Published Dec 21, 2021· Updated Jun 17, 2026

CVE-2021-45451

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Arm/MbedTLS
cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*
Range: <3.1.0
Fedoraproject/Fedora2 versions
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
Mbed TLS/Mbed TLSdescription
ARMmbed/mbedtlsllm-fuzzy
Range: <3.1.0

Patches

Vulnerability mechanics

References

github.com/ARMmbed/mbedtls/releases/tag/v3.1.0nvdPatchRelease NotesThird Party Advisory
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IL66WKJGXY5AXMTFE7QDMGL3RIBD6PX5/nvd
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TALJHOYAYSUJTLN6BYGLO4YJGNZUY74W/nvd

News mentions

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