---
id: CVE-2024-1062
title: >-
  389-ds-base: a heap overflow leading to denail-of-servce while writing a value
  larger than 256 chars (in log_entry_attr)
summary: >-
  A heap overflow flaw was found in 389-ds-base. This issue leads to a denial of
  service when writing a value larger than 256 chars in log_entry_attr.
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cvssSource: cna
cwe:
  - CWE-122
vendor: Red Hat
product: 389-ds-base
affected:
  - 389-ds-base >= 1.4.3.0 < 2.2.*
  - 'redhat-ds:11 (all versions)'
  - 'redhat-ds:11 (all versions)'
  - 'redhat-ds:11 (all versions)'
  - 'redhat-ds:12 (all versions)'
  - '389-ds:1.4 (all versions)'
  - '389-ds:1.4 (all versions)'
  - '389-ds:1.4 (all versions)'
  - 389-ds-base (all versions)
  - 'redhat-ds:12/389-ds-base (all versions)'
  - 389-ds-base
  - 389-ds-base
  - 389-ds-base (all versions)
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2024-02-22T18:08:45.921597Z'
published: '2024-02-12'
updated: '2026-11-05'
sourceUpdated: '2026-11-05T11:40:04.600Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2024-1062'
references:
  - url: 'https://access.redhat.com/errata/RHSA-2024:1074'
    label: 'RHSA-2024:1074'
  - url: 'https://access.redhat.com/errata/RHSA-2024:1372'
    label: 'RHSA-2024:1372'
  - url: 'https://access.redhat.com/errata/RHSA-2024:3047'
    label: 'RHSA-2024:3047'
  - url: 'https://access.redhat.com/errata/RHSA-2024:4209'
    label: 'RHSA-2024:4209'
  - 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-2024:7458'
    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-2024-1062'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2256711'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2261879'
    label: RHBZ#2261879
tags:
  - cve.org
epss: 0.00307
epssPercentile: 0.23609
ingestedAt: '2026-11-05T21:36:00.822Z'
---

## Overview

A heap overflow flaw was found in 389-ds-base. This issue leads to a denial of service when writing a value larger than 256 chars in log_entry_attr.

## Affected

- `389-ds-base >= 1.4.3.0 < 2.2.*`
- `redhat-ds:11 (all versions)`
- `redhat-ds:11 (all versions)`
- `redhat-ds:11 (all versions)`
- `redhat-ds:12 (all versions)`
- `389-ds:1.4 (all versions)`
- `389-ds:1.4 (all versions)`
- `389-ds:1.4 (all versions)`
- `389-ds-base (all versions)`
- `redhat-ds:12/389-ds-base (all versions)`
- `389-ds-base`
- `389-ds-base`
- `389-ds-base (all versions)`

## 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 do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.