PT-2026-47778 · Unknown · 389 Directory Server

Ian Murphy · CVE-2026-11788 · Published 2026-06-09 · Updated 2026-07-20

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions 389 Directory Server (affected versions not specified)

Description The dereference control plugin fails to check for allocation failure before utilizing a Basic Encoding Rules (BER) structure. This allows an unauthenticated remote attacker to cause a crash of the LDAP server during periods of system memory pressure.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2026-11788

SUSE-SU-2026:3136-1

SUSE-SU-2026:3137-1

SUSE-SU-2026:3138-1

Affected Products

389 Directory Server

References · 45

• https://cve.org/CVERecord?id=CVE-2026-11788 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2026:3136-1 · Vendor Advisory
• https://access.redhat.com/security/cve/CVE-2026-11788 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:3137-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:3138-1 · Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=2485423 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-11788 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-11788 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-11788 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-11788 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-11788 · Vendor Advisory
• https://bugzilla.suse.com/1268115 · Note
• https://bugzilla.suse.com/1268058 · Note
• https://suse.com/support/update/announcement/2026/suse-su-20263137-1 · Note
• https://suse.com/security/cve/CVE-2026-11785 · Note