CVE-2024-6237 389-ds-base: unauthenticated user can trigger a dos by sending a specific extended search request
An unauthenticated attacker can crash the 389 Directory Server by sending a specific extended search request, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-6237?
CVE-2024-6237 is a medium-severity denial of service vulnerability in Redhat Enterprise Linux, published on 9 Jul 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-230
Which versions are affected by CVE-2024-6237?
It affects 3 products.
Products include Redhat 389 Directory Server, Redhat Directory Server, Redhat Enterprise Linux.
How do I fix CVE-2024-6237?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-6237 being exploited?
There is no known exploitation of CVE-2024-6237 in the wild and no public exploit code.
Other vulnerabilities in Redhat Enterprise Linux
- CVE-2026-11770 389-ds-base: 389-ds-base: pre-auth ldap filter injection in cleanallruv status check
- CVE-2026-15722 Memory corruption in Red Hat Directory Server 11.5 E4S for RHEL 8
- CVE-2026-9064 Denial of service in Red Hat Directory Server 11.5 E4S for RHEL 8
- CVE-2010-2222 Null dereference in Red Hat Directory Server
- CVE-2026-11611 389-ds-base: 389-ds-base: content sync plugin unbounded queue growth and race conditions
Sources
Also known as DEBIAN-CVE-2024-6237, GHSA-2fpj-qhmc-jpvc, UBUNTU-CVE-2024-6237.