Remote Denial of Service Vulnerability in 389-ds-base by Red Hat
CVE-2026-78701

6.5MEDIUM

Key Information:

Vendor

Red Hat
Status
Red Hat Directory Server 11
Red Hat Directory Server 12
Red Hat Directory Server 13
Red Hat Enterprise Linux 10
Vendor
CVE Published:
25 August 2026

What is CVE-2026-78701?

A flaw exists in the 389-ds-base component, which can be exploited by remote, authenticated attackers. By sending specially crafted requests during the Simple Authentication and Security Layer (SASL) UNBIND process, an attacker can cause the server connection to stall. This leads to resource exhaustion, potentially resulting in a Denial of Service that affects server availability.

References

https://access.redhat.com/security/cve/CVE-2026-78701
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2523232
issue-trackingx_refsource_REDHAT

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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