---
id: CVE-2023-5157
title: >-
  Mariadb: node crashes with transport endpoint is not connected mysqld got
  signal 6
summary: >-
  A vulnerability was found in MariaDB. An OpenVAS port scan on ports 3306 and
  4567 allows a malicious remote client to cause a denial of service.
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cvssSource: cna
cwe:
  - CWE-400
vendor: Red Hat
product: 'mariadb:10.3'
affected:
  - 'mariadb:10.3 (all versions)'
  - 'mariadb:10.5 (all versions)'
  - 'mariadb:10.5 (all versions)'
  - 'mariadb:10.5 (all versions)'
  - 'mariadb:10.5 (all versions)'
  - 'mariadb:10.5 (all versions)'
  - galera (all versions)
  - mariadb (all versions)
  - galera (all versions)
  - mariadb (all versions)
  - rh-mariadb105-galera (all versions)
  - rh-mariadb105-mariadb (all versions)
  - mariadb
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2025-06-18T14:14:15.541658Z'
published: '2023-09-26'
updated: '2026-11-07'
sourceUpdated: '2026-11-07T13:41:49.049Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2023-5157'
references:
  - url: 'https://access.redhat.com/errata/RHSA-2023:5259'
    label: 'RHSA-2023:5259'
  - url: 'https://access.redhat.com/errata/RHSA-2023:5683'
    label: 'RHSA-2023:5683'
  - url: 'https://access.redhat.com/errata/RHSA-2023:5684'
    label: 'RHSA-2023:5684'
  - url: 'https://access.redhat.com/errata/RHSA-2023:6821'
    label: 'RHSA-2023:6821'
  - url: 'https://access.redhat.com/errata/RHSA-2023:6822'
    label: 'RHSA-2023:6822'
  - url: 'https://access.redhat.com/errata/RHSA-2023:6883'
    label: 'RHSA-2023:6883'
  - url: 'https://access.redhat.com/errata/RHSA-2023:7633'
    label: 'RHSA-2023:7633'
  - url: 'https://access.redhat.com/security/cve/CVE-2023-5157'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2240246'
    label: RHBZ#2240246
tags:
  - cve.org
epss: 0.02256
epssPercentile: 0.83054
ingestedAt: '2026-11-07T14:18:21.466Z'
---

## Overview

A vulnerability was found in MariaDB. An OpenVAS port scan on ports 3306 and 4567 allows a malicious remote client to cause a denial of service.

## Affected

- `mariadb:10.3 (all versions)`
- `mariadb:10.5 (all versions)`
- `mariadb:10.5 (all versions)`
- `mariadb:10.5 (all versions)`
- `mariadb:10.5 (all versions)`
- `mariadb:10.5 (all versions)`
- `galera (all versions)`
- `mariadb (all versions)`
- `galera (all versions)`
- `mariadb (all versions)`
- `rh-mariadb105-galera (all versions)`
- `rh-mariadb105-mariadb (all versions)`
- `mariadb`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.