Buffer Overflow Affecting mbedtls package, versions *


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.31% (55th percentile)

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  • Snyk IDSNYK-UBUNTU2004-MBEDTLS-5952113
  • published21 Mar 2026
  • disclosed7 Oct 2023

Introduced: 7 Oct 2023

CVE-2023-43615  (opens in a new tab)
CWE-120  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:20.04 mbedtls.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mbedtls package and not the mbedtls package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

Mbed TLS 2.x before 2.28.5 and 3.x before 3.5.0 has a Buffer Overflow.

CVSS Base Scores

version 3.1