Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Arm | Mbed Tls | < 2.28.10 |
Related Weaknesses (CWE)
References
- https://github.com/Mbed-TLS/mbedtls/releasesRelease Notes
- https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-aVendor Advisory
FAQ
What is CVE-2025-27810?
CVE-2025-27810 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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 ...
How severe is CVE-2025-27810?
CVE-2025-27810 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-27810?
Check the references section above for vendor advisories and patch information. Affected products include: Arm Mbed Tls.