CVE-2025-27810

Description

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, potentially leading to authentication bypasses such as replays.

Reserved 2025-03-07 | Published 2025-03-25 | Updated 2025-03-25 | Assigner mitre

Problem types

CWE-908 Use of Uninitialized Resource

Product status

Default status
unaffected

Any version before 2.28.10
affected

3.0.0 before 3.6.3
affected

References

github.com/Mbed-TLS/mbedtls/releases

mbed-tls.readthedocs.io/...dtls-security-advisory-2025-03-2/

cve.org (CVE-2025-27810)

nvd.nist.gov (CVE-2025-27810)

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