---
id: CVE-2026-78701
title: A flaw was found in 389-ds-base
summary: >-
  A flaw was found in 389-ds-base. A remote, authenticated attacker could
  exploit a vulnerability in the Simple Authentication and Security Layer (SASL)
  UNBIND process. By sending a specially crafted request, the attacker can cause
  a conne…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-787
vendor: Red Hat
product: 389-ds-base
affected:
  - 389-ds-base (all versions)
  - 389-ds-base (all versions)
  - dirsrv/dirsrv-container-rhel10 (all versions)
  - 'redhat-ds:11/389-ds-base (all versions)'
  - 'redhat-ds:12/389-ds-base (all versions)'
  - 389-ds-base (all versions)
  - 389-ds-base (all versions)
  - '389-ds:1.4/389-ds-base (all versions)'
patched:
  - enterprise_linux_appstream_v_10
  - enterprise_linux_appstream_v_9
  - enterprise_linux_codeready_linux_builder_v_10
  - enterprise_linux_codeready_linux_builder_v_9
published: '2026-08-25'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T23:17:29.177'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-78701'
references:
  - url: 'https://access.redhat.com/errata/RHSA-2026:64784'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:64785'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/errata/RHSA-2026:65119'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/security/cve/CVE-2026-78701'
    label: secalert@redhat.com
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2523232'
    label: secalert@redhat.com
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-78701.json
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-78701'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-78701'
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-08-25T11:36:36.196907Z'
epss: 0.00419
epssPercentile: 0.359
ingestedAt: '2026-09-08T15:33:26.955Z'
---

## Overview

A flaw was found in 389-ds-base. A remote, authenticated attacker could exploit a vulnerability in the Simple Authentication and Security Layer (SASL) UNBIND process. By sending a specially crafted request, the attacker can cause a connection to stall, leading to resource exhaustion and a Denial of Service (DoS) for the server.

## Remediation

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

## Vendor advisories

- **RHSA-2026:64785** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) · released 2026-09-08 · [advisory](https://access.redhat.com/errata/RHSA-2026:64785)
- **RHSA-2026:64784** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) · released 2026-09-08 · [advisory](https://access.redhat.com/errata/RHSA-2026:64784)
- **Red Hat VEX** · Moderate · affected: Red Hat Directory Server 11, Red Hat Directory Server 12, Red Hat Directory Server 13, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8 · no fix planned: Red Hat Directory Server 11, Red Hat Directory Server 12, Red Hat Directory Server 13, Red Hat Enterprise Linux 6, … · updated 2026-09-08 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-78701.json)
- **RHSA-2026:65119** · Red Hat · fixed in: Red Hat Directory Server 13.2 · released 2026-09-08 · [advisory](https://access.redhat.com/errata/RHSA-2026:65119)