ALSA-2026:55530 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: pre-auth LDAP filter injection in CleanAllRUV status...

DEBIAN-CVE-2026-18663

A flaw was found in 389-ds-base. The getldapmessagecontrolsext function frees the parsed controls array on the Session Tracking critical-control rejection path without clearing the SLAPIREQCONTROLS pblock slot. Operation teardown then frees the same pointer again, causing a double-free. An...

CVE-2026-18663

A flaw was found in 389-ds-base. The getldapmessagecontrolsext function frees the parsed controls array on the Session Tracking critical-control rejection path without clearing the SLAPIREQCONTROLS pblock slot. Operation teardown then frees the same pointer again, causing a double-free. An...

CVE-2026-18663

A flaw was found in 389-ds-base. The getldapmessagecontrolsext function frees the parsed controls array on the Session Tracking critical-control rejection path without clearing the SLAPIREQCONTROLS pblock slot. Operation teardown then frees the same pointer again, causing a double-free. An...

UBUNTU-CVE-2026-18663

A flaw was found in 389-ds-base. The getldapmessagecontrolsext function frees the parsed controls array on the Session Tracking critical-control rejection path without clearing the SLAPIREQCONTROLS pblock slot. Operation teardown then frees the same pointer again, causing a double-free. An...

CVE-2026-18663

The CVE-2026-18663 entry concerns 389-ds-base. The get_ldapmessage_controls_ext() function frees the parsed controls array on the Session Tracking critical-control rejection path without clearing the SLAPI_REQCONTROLS pblock slot, leading to a double-free when teardown frees the same pointer agai...

EUVD-2026-57153

A flaw was found in 389-ds-base. The getldapmessagecontrolsext function frees the parsed controls array on the Session Tracking critical-control rejection path without clearing the SLAPIREQCONTROLS pblock slot. Operation teardown then frees the same pointer again, causing a double-free. An...

CVE-2026-18663

A flaw was found in 389-ds-base. The getldapmessagecontrolsext function frees the parsed controls array on the Session Tracking critical-control rejection path without clearing the SLAPIREQCONTROLS pblock slot. Operation teardown then frees the same pointer again, causing a double-free. An...

CVE-2026-18663 389-ds-base: 389-ds-base: pre-authentication double-free in get_ldapmessage_controls_ext() via critical session tracking control

A flaw was found in 389-ds-base. The getldapmessagecontrolsext function frees the parsed controls array on the Session Tracking critical-control rejection path without clearing the SLAPIREQCONTROLS pblock slot. Operation teardown then frees the same pointer again, causing a double-free. An...

CVE-2026-18663

A flaw was found in 389-ds-base. The getldapmessagecontrolsext function frees the parsed controls array on the Session Tracking critical-control rejection path without clearing the SLAPIREQCONTROLS pblock slot. Operation teardown then frees the same pointer again, causing a double-free. An...

Linux Distros Unpatched Vulnerability : CVE-2026-18663

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in 389-ds-base. The getldapmessagecontrolsext function frees the parsed controls array on the Session Tracking critical-control rejection path...

PT-2026-71042

Name of the Vulnerable Software and Affected Versions 389-ds-base affected versions not specified Description A flaw exists where the get ldapmessage controls ext function frees the parsed controls array during the Session Tracking critical-control rejection path but fails to clear the SLAPI...

MiracleLinux 9 : 389-ds-base-2.8.0-8.el9_8 (AXSA:2026-1473:05)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1473:05 advisory. 389-ds-base: 389-ds-base: Heap buffer overflow in sasliorecv via padded SASL UNBIND CVE-2026-11610 389-ds-base: 389-ds-base: integer overflow in SAS...

AZL-94362 CVE-2026-15722 affecting package 389-ds-base 3.1.1-11

A stack buffer overflow flaw was found in 389 Directory Server 389-ds-base. The getruvelementfromberval function in repl5ruv.c copies digit characters from a network-supplied RUV berval into a fixed 16-byte stack buffer without bounds checking. A remote unauthenticated attacker can crash the LDAP...

Linux Distros Unpatched Vulnerability : CVE-2026-16560

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A heap-buffer-overflow flaw was found in Directory Server 389-ds-base. When a DN contains a legacy- quoted value, the server won't close the heap allocation...

AZL-93072 CVE-2026-16560 affecting package 389-ds-base 3.1.1-11

A heap-buffer-overflow flaw was found in Directory Server 389-ds-base. When a DN contains a legacy-quoted value, the server won't close the heap allocation allowing another call to refer to the same memory pointer causing a denial of service or an arbitrary memory write operation...

DEBIAN-CVE-2026-16560

A heap-buffer-overflow flaw was found in Directory Server 389-ds-base. When a DN contains a legacy-quoted value, the server won't close the heap allocation allowing another call to refer to the same memory pointer causing a denial of service or an arbitrary memory write operation...

UBUNTU-CVE-2026-16560

A heap-buffer-overflow flaw was found in Directory Server 389-ds-base. When a DN contains a legacy-quoted value, the server won't close the heap allocation allowing another call to refer to the same memory pointer causing a denial of service or an arbitrary memory write operation...

CVE-2026-16560

A heap-buffer-overflow flaw was found in Directory Server 389-ds-base. When a DN contains a legacy-quoted value, the server won't close the heap allocation allowing another call to refer to the same memory pointer causing a denial of service or an arbitrary memory write operation...

Oracle Linux 10 : 389-ds-base (ELSA-2026-26456)

The remote Oracle Linux 10 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-26456 advisory. - Resolves: RHEL-182152 - CVE-2026-11610 389-ds-base: 389-ds-base: Heap buffer overflow in sasliorecv via padded SASL UNBIND rhel-10.2.z - Resolves: RHEL-1831...