CVE-2024-3657389-ds-base: potential denial of service via specially crafted kerberos as-req request

Description

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

Timeline

Scores

EPSS (exploitation in 30 days)

1.3% · top 29% of all CVEs (15 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: yes · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Affected products

• 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 11.8 for RHEL 8

  • unaffected 8090020240606122459.91529cd0 – < *

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

  • unaffected 8100020240604161237.37ed7c03 – < *

• 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 9040020240604143706.1674d574 – < *

• Red Hat · Red Hat Enterprise Linux 7

  • unaffected 0:1.3.11.1-5.el7_9 – < *

• Red Hat · Red Hat Enterprise Linux 8

  • unaffected 8100020240613122040.25e700aa – < *

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

  • unaffected 8080020240807050952.6dbb3803 – < *

• Red Hat · Red Hat Enterprise Linux 9

  • unaffected 0:2.4.5-8.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-2024-32233 (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-2024-3657](https://cveledger.app/badge/CVE-2024-3657.svg)](https://cveledger.app/cve/CVE-2024-3657)

Record last updated 4 Nov 2026, 21:11 UTC.