CVE-2025-27810EPSS p19.6%

CVE-2025-27810CVE-2025-27810

arm / mbed_tls

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.

Scoring

CVSS 5.4 ()
VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
EPSS0.27% probability of exploitation · percentile 19.6% · 2026-08-03T12:00:16Z
Last modified2026-06-05

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.