Important: Red Hat Security Advisory: 389-ds-base security update

An update for 389-ds-base is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is availabl...

389-ds-base: 389-ds-base: unbounded LDAP controls count in get_ldapmessage_controls_ext() causes CPU and heap amplification (remote DoS)

A flaw was found in 389-ds-base. The getldapmessagecontrolsext function in the LDAP server does not enforce an upper bound on the number of controls per LDAP message. A remote, unauthenticated attacker can send a specially crafted LDAP request containing hundreds of thousands of minimal controls...

389-ds-base: 389-ds-base: unbounded LDAP controls count in get_ldapmessage_controls_ext() causes CPU and heap amplification (remote DoS)

A flaw was found in 389-ds-base. The getldapmessagecontrolsext function in the LDAP server does not enforce an upper bound on the number of controls per LDAP message. A remote, unauthenticated attacker can send a specially crafted LDAP request containing hundreds of thousands of minimal controls...

RHEL 8 : 389-ds:1.4 (RHSA-2026:26463)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:26463 advisory. 389 Directory Server is an LDAP version 3 LDAPv3 compliant server. The base packages include the Lightweight Directory Access Protocol LDAP server a...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : OpenStack Keystone vulnerabilities (USN-8433-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8433-1 advisory. It was discovered that OpenStack Keystone allowed restricted application credentials to create EC2 credentials. An...

RHEL 8 : 389-ds:1.4 (RHSA-2026:26454)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:26454 advisory. 389 Directory Server is an LDAP version 3 LDAPv3 compliant server. The base packages include the Lightweight Directory Access Protocol LDAP server a...

RHEL 10 : 389-ds-base (RHSA-2026:26457)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:26457 advisory. 389 Directory Server is an LDAP version 3 LDAPv3 compliant server. The base packages include the Lightweight Directory Access Protocol LDAP server...

RHEL 9 : 389-ds-base (RHSA-2026:26455)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:26455 advisory. 389 Directory Server is an LDAP version 3 LDAPv3 compliant server. The base packages include the Lightweight Directory Access Protocol LDAP server a...

PT-2026-50410

Name of the Vulnerable Software and Affected Versions Apache Shiro versions prior to 2.2.1 Apache Shiro versions prior to 3.0.0-alpha-2 Description A remote attacker can inject LDAP special characters into the Distinguished Name DN construction within the DefaultLdapRealm class. User-supplied...

RHEL 10 : 389-ds-base (RHSA-2026:26456)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:26456 advisory. 389 Directory Server is an LDAP version 3 LDAPv3 compliant server. The base packages include the Lightweight Directory Access Protocol LDAP server...

Important: 389-ds-base security, bug fix, and enhancement update

389 Directory Server is an LDAP version 3 LDAPv3 compliant server. The base packages include the Lightweight Directory Access Protocol LDAP server and command-line utilities for server administration. Security Fixes: 389-ds-base: 389-ds-base: unbounded LDAP controls count in...

RHEL 8 : 389-ds:1.4 (RHSA-2026:26460)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:26460 advisory. 389 Directory Server is an LDAP version 3 LDAPv3 compliant server. The base packages include the Lightweight Directory Access Protocol LDAP server a...

Important: 389-ds:1.4 security update

389 Directory Server is an LDAP version 3 LDAPv3 compliant server. The base packages include the Lightweight Directory Access Protocol LDAP server and command-line utilities for server administration. Security Fixes: 389-ds-base: 389-ds-base: unbounded LDAP controls count in...

RHEL 9 : 389-ds-base (RHSA-2026:26464)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:26464 advisory. 389 Directory Server is an LDAP version 3 LDAPv3 compliant server. The base packages include the Lightweight Directory Access Protocol LDAP server a...

RHEL 8 : redhat-ds:11 (RHSA-2026:26461)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:26461 advisory. Red Hat Directory Server is an LDAPv3-compliant directory server. The suite of packages includes the Lightweight Directory Access Protocol LDAP...

RHEL 9 : 389-ds-base (RHSA-2026:26452)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:26452 advisory. 389 Directory Server is an LDAP version 3 LDAPv3 compliant server. The base packages include the Lightweight Directory Access Protocol LDAP server a...

CVE-2026-49268: Improper Neutralization of Special Elements used in an LDAP Query

A remote attacker can inject LDAP special characters into the Distinguished Name DN construction in DefaultLdapRealm class. User-supplied username input is directly concatenated into the LDAP DN template without any escaping of RFC 2253 special characters. This allows an attacker to manipulate th...

CVE-2026-46776: Undefined Security Weakness

Vulnerability in the Oracle Unified Directory product of Oracle Fusion Middleware component: OUD Core. Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via LDAP to compromise Oracle Unified...

CVE-2026-46773: Undefined Security Weakness

Vulnerability in the Oracle Unified Directory product of Oracle Fusion Middleware component: OUD Core. Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via LDAP to compromise Oracle Unified...

CVE-2026-35312: Undefined Security Weakness

Vulnerability in the Oracle Virtual Directory product of Oracle Fusion Middleware component: Virtual Directory Server. Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via LDAP to compromise...