CVE-2024-5953389-ds-base: malformed userpassword hash may cause denial of service

Description

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.

Timeline

Scores

EPSS (exploitation in 30 days)

0.58% · top 52% of all CVEs (14 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.7.

Affected products

• 389-ds-base

  All versions: affected

• Red Hat · Red Hat Directory Server 11.5 E4S for RHEL 8

  • unaffected 8060020250210084424.0ca98e7e – < *

• Red Hat · Red Hat Directory Server 11.7 for RHEL 8

  • unaffected 8080020240909040333.f969626e – < *

• Red Hat · Red Hat Directory Server 11.9 for RHEL 8

  • unaffected 8100020240902112955.37ed7c03 – < *

• Red Hat · Red Hat Directory Server 12.2 EUS for RHEL 9

  • unaffected 9020020240916150035.1674d574 – < *

• Red Hat · Red Hat Directory Server 12.4 for RHEL 9

  • unaffected 9040020240723122852.1674d574 – < *

• Red Hat · Red Hat Enterprise Linux 7 Extended Lifecycle Support

  • unaffected 0:1.3.11.1-6.el7_9 – < *

• Red Hat · Red Hat Enterprise Linux 8

  • unaffected 8100020240910065753.25e700aa – < *

• Red Hat · Red Hat Enterprise Linux 8.8 Extended Update Support

  • unaffected 8080020240807050952.6dbb3803 – < *

• Red Hat · Red Hat Enterprise Linux 9

  • unaffected 0:2.4.5-9.el9_4 – < *

• Red Hat · Red Hat Enterprise Linux 9.2 Extended Update Support

  • unaffected 0:2.2.4-9.el9_2 – < *

• Red Hat · Red Hat Enterprise Linux 10

  All versions: unaffected

• Red Hat · Red Hat Enterprise Linux 6

  All versions: unknown

What to do

Workaround: 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.

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• EUVD EUVD-2024-47135 (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2024-5953](https://cveledger.app/badge/CVE-2024-5953.svg)](https://cveledger.app/cve/CVE-2024-5953)

Record last updated 7 Nov 2026, 11:32 UTC.