# CVE-2024-6237: 389-ds-base: unauthenticated user can trigger a dos by sending a specific extended search request

Status: published. Published: 2024-07-09. Updated: 2026-11-06.

A flaw was found in the 389 Directory Server. This flaw allows an unauthenticated user to cause a systematic server crash while sending a specific extended search request, leading to a denial of service.

## Remediation

- workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability. (source: CNA: redhat)

## Affected products and versions

-  /  (389-ds-base): ≥ 0; < 2.4.5 (affected, semver). Source: CNA: redhat
- Red Hat / Red Hat Directory Server 12.4 for RHEL 9 (redhat-ds:12): ≥ 9040020240723122852.1674d574; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 9 (389-ds-base): ≥ 0:2.4.5-9.el9_4; < * (unaffected, rpm). Source: CNA: redhat
- Red Hat / Red Hat Directory Server 11 (redhat-ds:11/389-ds-base): Version range not reported. Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 10 (389-ds-base): Version range not reported. Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 6 (389-ds-base): Version range not reported. Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 7 (389-ds-base): Version range not reported. Source: CNA: redhat
- Red Hat / Red Hat Enterprise Linux 8 (389-ds:1.4/389-ds-base): Version range not reported. Source: CNA: redhat

## Severity and prioritization

- CVSS 3.1: 6.5 (medium); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H; source: CNA: redhat

- CISA KEV: No listing in collected sources

- EPSS: 0.92% as of 2026-11-06; percentile 60.55%

- SSVC: exploitation none; automatable yes; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-230

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://access.redhat.com/errata/RHSA-2024:4997 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/errata/RHSA-2024:5192 (CNA: redhat; vendor-advisory, x_refsource_REDHAT)

- https://access.redhat.com/security/cve/CVE-2024-6237 (CNA: redhat; vdb-entry, x_refsource_REDHAT)

- https://bugzilla.redhat.com/show_bug.cgi?id=2293579 (CNA: redhat; issue-tracking, x_refsource_REDHAT)

- https://github.com/389ds/389-ds-base/issues/5989 (CNA: redhat)

- https://access.redhat.com/security/cve/CVE-2024-6237 (ADP: CVE; vdb-entry, x_refsource_REDHAT, x_transferred)

- https://bugzilla.redhat.com/show_bug.cgi?id=2293579 (ADP: CVE; issue-tracking, x_refsource_REDHAT, x_transferred)

- https://github.com/389ds/389-ds-base/issues/5989 (ADP: CVE; x_transferred)

## Provenance

- CNA: redhat: https://www.cve.org/CVERecord?id=CVE-2024-6237; retrieved 2026-11-06; source updated 2026-11-06

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2024-6237; retrieved 2026-11-06; source updated Not reported

Revision: 43fa87ecd6feadd7c52de5e2d05d8c7e7f013a140dffe49b0f11e9df105a56a0

Canonical: https://y2.dev/cve/CVE-2024-6237

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