CVE-2024-1062: 389-ds-base · Heap-based Buffer Overflow
Affects 389-ds-baseSource CVE Database V5
Not known to be exploited · CVSS 5.5 Medium.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 23% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 12 Feb 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Red Hatredhat/389-ds-basepkg:rpm/redhat/389-ds-baseOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Organizations should immediately verify if they are running 389-ds-base version 1.4.3.0 and plan to upgrade to a patched version once available. In the interim, restrict local access to trusted users only and monitor for unusual application crashes or service disruptions related to 389-ds-base. Implement strict access controls and auditing on systems running this software to detect potential exploitation attempts. Consider deploying application-level protections such as memory safety tools (e.g., AddressSanitizer) in test environments to identify overflow attempts. Additionally, review logging configurations to limit the size of log_entry_attr inputs or sanitize inputs to prevent oversized values. Regularly update and patch systems, and maintain an incident response plan to quickly address any service outages. Engage with vendor advisories for official patches and guidance.
Description
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.
References
- access.redhat.com/errata/RHSA-2024:1074 (opens in a new tab)
- access.redhat.com/errata/RHSA-2024:1372 (opens in a new tab)
- access.redhat.com/errata/RHSA-2024:3047 (opens in a new tab)
- access.redhat.com/errata/RHSA-2024:4209 (opens in a new tab)
- access.redhat.com/errata/RHSA-2024:4633 (opens in a new tab)
- access.redhat.com/errata/RHSA-2024:5690 (opens in a new tab)
- access.redhat.com/errata/RHSA-2024:7458 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:1632 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2024-1062 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2256711 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2261879 (opens in a new tab)