---
id: CVE-2024-3657
title: >-
  389-ds-base: potential denial of service via specially crafted kerberos as-req
  request
summary: >-
  A flaw was found in 389-ds-base. A specially-crafted LDAP query can
  potentially cause a failure on the directory server, leading to 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-20
vendor: Red Hat
product: 'redhat-ds:11'
affected:
  - 'redhat-ds:11 (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: 'yes'
  technicalImpact: partial
  timestamp: '2024-06-05T20:48:33.613730Z'
published: '2024-05-28'
updated: '2026-11-04'
sourceUpdated: '2026-11-04T21:11:12.852Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2024-3657'
references:
  - url: 'https://access.redhat.com/errata/RHSA-2024:3591'
    label: 'RHSA-2024:3591'
  - url: 'https://access.redhat.com/errata/RHSA-2024:3837'
    label: 'RHSA-2024:3837'
  - url: 'https://access.redhat.com/errata/RHSA-2024:4092'
    label: 'RHSA-2024:4092'
  - url: 'https://access.redhat.com/errata/RHSA-2024:4209'
    label: 'RHSA-2024:4209'
  - url: 'https://access.redhat.com/errata/RHSA-2024:4210'
    label: 'RHSA-2024:4210'
  - url: 'https://access.redhat.com/errata/RHSA-2024:4235'
    label: 'RHSA-2024:4235'
  - url: 'https://access.redhat.com/errata/RHSA-2024:4633'
    label: 'RHSA-2024:4633'
  - url: 'https://access.redhat.com/errata/RHSA-2024:5690'
    label: 'RHSA-2024:5690'
  - 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-2024-3657'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2274401'
    label: RHBZ#2274401
tags:
  - cve.org
epss: 0.01282
epssPercentile: 0.70249
ingestedAt: '2026-11-05T21:36:00.600Z'
---

## Overview

A flaw was found in 389-ds-base. A specially-crafted LDAP query can potentially cause a failure on the directory server, leading to a denial of service

## Affected

- `redhat-ds:11 (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.