CVE-2026-11788

CVE-2026-11788

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 memo…

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-11788?
CVE-2026-11788 is a medium-severity vulnerability, classified under NULL Pointer Dereference. CVSS score: 5.9/10. Published 2026-06-09.
How severe is CVE-2026-11788?
Medium severity. CVSS v3 base score is 5.9 out of 10.