NULL Pointer Dereference Affecting python3-lib389 package, versions <0:1.4.3.39-26.module+el8.10.0+24634+ded7774b


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.56% (45th percentile)

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  • Snyk IDSNYK-CENTOS8-PYTHON3LIB389-17283412
  • published10 Jun 2026
  • disclosed16 Apr 2026

Introduced: 16 Apr 2026

CVE-2026-11788  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Centos:8 python3-lib389 to version 0:1.4.3.39-26.module+el8.10.0+24634+ded7774b or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3-lib389 package and not the python3-lib389 package as distributed by Centos. See How to fix? for Centos:8 relevant fixed versions and status.

A flaw was found in 389 Directory Server. The dereference control plugin does not check for allocation failure before using a BER structure, allowing an unauthenticated remote attacker to crash the LDAP server when the system is under memory pressure.

CVSS Base Scores

version 3.1