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CVE-2025-27810

Good to know:

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Date: March 24, 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, potentially leading to authentication bypasses such as replays.

Severity Score

Related Resources (6)

https://security-tracker.debian.org/tracker/CVE-2025-27810
https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2025-03-2/
https://security.alpinelinux.org/vuln/CVE-2025-27810
https://nvd.nist.gov/vuln/detail/CVE-2025-27810
https://github.com/Mbed-TLS/mbedtls/releases
https://www.mend.io/vulnerability-database/CVE-2025-27810

Severity Score

Weakness Type (CWE)

Use of Uninitialized Resource

CWE-908

Top Fix

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Upgrade Version

Upgrade to version https://github.com/Mbed-TLS/mbedtls.git - mbedtls-2.28.10;https://github.com/Mbed-TLS/mbedtls.git - mbedtls-3.6.3;https://github.com/Mbed-TLS/mbedtls.git - v2.28.10;https://github.com/Mbed-TLS/mbedtls.git - v3.6.3

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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