Resource Exhaustion Affecting 389-ds-base-snmp package, versions *


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.35% (26th percentile)

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  • Snyk IDSNYK-CENTOS10-389DSBASESNMP-20376000
  • published2 Oct 2026
  • disclosed1 Oct 2026

Introduced: 1 Oct 2026

NewCVE-2026-86344  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

There is no fixed version for Centos:10 389-ds-base-snmp.

NVD Description

Note: Versions mentioned in the description apply only to the upstream 389-ds-base-snmp package and not the 389-ds-base-snmp package as distributed by Centos. See How to fix? for Centos:10 relevant fixed versions and status.

A flaw was found in 389-ds-base. An unauthenticated remote attacker can send a complete LDAP operation followed by the first bytes of an incomplete LDAPMessage on the same connection, causing the server to hand that connection to a second worker thread before the first worker's result is flushed. The second worker blocks until nsslapd-ioblocktimeout while holding the connection mutex, preventing delivery of the completed operation's result. Repeating this across a small number of connections proportional to the configured worker-thread pool size exhausts the entire pool under default configuration, denying service to all clients (anonymous and authenticated, plaintext and TLS) for as long as the attacker maintains the connections.

CVSS Base Scores

version 3.1