CVE-2025-27810
4.8
MEDIUM
CVSS 3.1
EPSS 0.18%
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.
How to fix CVE-2025-27810
To remediate CVE-2025-27810, upgrade the affected package to a fixed version below.
- Alpine/mbedtls—upgrade to 2.28.10-r0 or later
- —no fix listed
Is CVE-2025-27810 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.28.10-r0
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N |