Buffer Overflow Affecting mbedtls package, versions [3.5.0,3.6.6)


Severity

Recommended
0.0
critical
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.05% (17th percentile)

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  • Snyk IDSNYK-CONAN-MBEDTLS-15929047
  • published8 Apr 2026
  • disclosed1 Apr 2026
  • creditHaruto Kimura

Introduced: 1 Apr 2026

NewCVE-2026-34875  (opens in a new tab)
CWE-120  (opens in a new tab)

How to fix?

Upgrade mbedtls to version 3.6.6 or higher.

Overview

Affected versions of this package are vulnerable to Buffer Overflow via the FFDH public key export in the psa_export_public_key() function. An attacker can execute arbitrary code or cause a denial of service by sending specially crafted input to the affected process.

CVSS Base Scores

version 4.0
version 3.1