---
id: CVE-2024-5953
title: '389-ds-base: malformed userpassword hash may cause denial of service'
summary: >-
  A denial of service vulnerability was found in the 389-ds-base LDAP server.
  This issue may allow an authenticated user to cause a server denial of service
  while attempting to log in with a user with a malformed hash in their
  password.
severity: medium
cvss: 5.7
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cvssSource: cna
cwe:
  - CWE-1288
vendor: Red Hat
product: 389-ds-base
affected:
  - 389-ds-base (all versions)
  - 'redhat-ds:11 (all versions)'
  - 'redhat-ds:11 (all versions)'
  - 'redhat-ds:11 (all versions)'
  - 'redhat-ds:12 (all versions)'
  - 'redhat-ds:12 (all versions)'
  - 389-ds-base (all versions)
  - '389-ds:1.4 (all versions)'
  - '389-ds:1.4 (all versions)'
  - 389-ds-base (all versions)
  - 389-ds-base (all versions)
  - 389-ds-base
  - 389-ds-base
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2024-06-18T13:32:13.391886Z'
published: '2024-06-18'
updated: '2026-11-07'
sourceUpdated: '2026-11-07T11:32:02.079Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2024-5953'
references:
  - url: 'https://access.redhat.com/errata/RHSA-2024:4633'
    label: 'RHSA-2024:4633'
  - url: 'https://access.redhat.com/errata/RHSA-2024:4997'
    label: 'RHSA-2024:4997'
  - url: 'https://access.redhat.com/errata/RHSA-2024:5192'
    label: 'RHSA-2024:5192'
  - url: 'https://access.redhat.com/errata/RHSA-2024:5690'
    label: 'RHSA-2024:5690'
  - url: 'https://access.redhat.com/errata/RHSA-2024:6153'
    label: 'RHSA-2024:6153'
  - url: 'https://access.redhat.com/errata/RHSA-2024:6568'
    label: 'RHSA-2024:6568'
  - url: 'https://access.redhat.com/errata/RHSA-2024:6569'
    label: 'RHSA-2024:6569'
  - url: 'https://access.redhat.com/errata/RHSA-2024:6576'
    label: 'RHSA-2024:6576'
  - url: 'https://access.redhat.com/errata/RHSA-2024:7458'
    label: 'RHSA-2024:7458'
  - url: 'https://access.redhat.com/errata/RHSA-2025:1632'
    label: 'RHSA-2025:1632'
  - url: 'https://access.redhat.com/security/cve/CVE-2024-5953'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2292104'
    label: RHBZ#2292104
tags:
  - cve.org
epss: 0.00578
epssPercentile: 0.47839
ingestedAt: '2026-11-07T12:16:41.115Z'
---

## Overview

A denial of service vulnerability was found in the 389-ds-base LDAP server. This issue may allow an authenticated user to cause a server denial of service while attempting to log in with a user with a malformed hash in their password.

## Affected

- `389-ds-base (all versions)`
- `redhat-ds:11 (all versions)`
- `redhat-ds:11 (all versions)`
- `redhat-ds:11 (all versions)`
- `redhat-ds:12 (all versions)`
- `redhat-ds:12 (all versions)`
- `389-ds-base (all versions)`
- `389-ds:1.4 (all versions)`
- `389-ds:1.4 (all versions)`
- `389-ds-base (all versions)`
- `389-ds-base (all versions)`
- `389-ds-base`
- `389-ds-base`

## Remediation

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

### Workarounds

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.