RockyLinux 9 : 389-ds-base (RLSA-2026:55423)

high Nessus Plugin ID 335973

Synopsis

The remote RockyLinux host is missing one or more security updates.

Description

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:55423 advisory.

* 389-ds-base: 389-ds-base: pre-auth LDAP filter injection in CleanAllRUV status check (CVE-2026-11770)

* 389-ds-base: 389-ds-base: NULL pointer dereference in deref control plugin BER parser (CVE-2026-11788)

* 389-ds-base: 389-ds-base: pre-authentication stack buffer overflow in get_ruvelement_from_berval() via unbounded replica ID parsing (CVE-2026-15722)

Tenable has extracted the preceding description block directly from the RockyLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://bugzilla.redhat.com/show_bug.cgi?id=2484802

https://bugzilla.redhat.com/show_bug.cgi?id=2485423

https://bugzilla.redhat.com/show_bug.cgi?id=2499961

https://errata.rockylinux.org/RLSA-2026:55423

Plugin Details

Severity: High

ID: 335973

File Name: rocky_linux_RLSA-2026-55423.nasl

Version: 1.1

Type: Local

Published: 8/17/2026

Updated: 8/17/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.67

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2026-11788

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:rocky:linux:9, p-cpe:/a:rocky:linux:389-ds-base-debuginfo, p-cpe:/a:rocky:linux:389-ds-base-debugsource, p-cpe:/a:rocky:linux:389-ds-base-devel, p-cpe:/a:rocky:linux:389-ds-base-libs-debuginfo, p-cpe:/a:rocky:linux:389-ds-base-libs, p-cpe:/a:rocky:linux:389-ds-base-snmp-debuginfo, p-cpe:/a:rocky:linux:389-ds-base-snmp, p-cpe:/a:rocky:linux:389-ds-base, p-cpe:/a:rocky:linux:python3-lib389

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 8/17/2026

Vulnerability Publication Date: 6/9/2026

Reference Information

CVE: CVE-2026-11770, CVE-2026-11788, CVE-2026-15722