CVE-2025-27810
Medium
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.
SeverityMedium
CVSS5.4
Exploit probability—
Product
Arm Mbed Tls
PublishedMar 25, 2025
First seenMar 25, 2025
Weakness typeCWE-908CWE-908
How to fix
Update
- arm mbed_tls2.28.10 or later
- trustedfirmware mbed_tls3.6.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| arm mbed_tls | v < 2.28.10 | 2.28.10 |
| trustedfirmware mbed_tls | 3.0.0 ≤ v < 3.6.3 | 3.6.3 |
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