CVE-2025-27810CWE-908

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…

Medium · published March 25, 2025

CVSS v3.1
5.4
EPSS
0%
Percentile
21.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00297 · 21.2th percentile
Weakness
CWE-908 · Use of Uninitialized Resource
Published
2025-03-25T00:00Z
EPSS history
Timeline
  • 25 MAR 00:00Z
    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…
    cvelistv5