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Oracle Linux 9 : bind (ELSA-2026-89745)

medium Nessus Plugin ID 372193

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Synopsis

The remote Oracle Linux host is missing a security update.

Description

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-89745 advisory.

 - Fix CVE-2026-19662: NOQNAME proof use-after-free could crash recursive resolver.
 - Prevent assertion failure in dns64 mode with break-dnssec yes (CVE-2026-19666)
 - Prevent crash on wildcard responses containing both NSEC and NSEC3 proofs (CVE-2026-80274)
 - Reject oversized negative cached records early (CVE-2026-19667)
 - Fix NSEC3 signer validation (CVE-2026-10723)
 - Fix CVE-2026-13321: reject out-of-zone NSEC next owner names
 - Fix RPZ name-too-long wildcard expansion (CVE-2026-11331)
 - Fix dns_rdataset_addnoqname() accepting unsigned NSEC/NSEC3 (CVE-2026-13204)

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

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

Solution

Update the affected packages.

See Also

https://linux.oracle.com/errata/ELSA-2026-89745.html

Plugin Details

Severity: Medium

ID: 372193

File Name: oraclelinux_ELSA-2026-89745.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/26/2026

Updated: 10/26/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.27

CVSS v2

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4

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

CVSS Score Source: CVE-2026-19662

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

Vector: CVSS:3.0/AV:N/AC:H/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:oracle:linux:9, p-cpe:/a:oracle:linux:bind-chroot, p-cpe:/a:oracle:linux:bind-devel, p-cpe:/a:oracle:linux:bind-dnssec-doc, p-cpe:/a:oracle:linux:bind-dnssec-utils, p-cpe:/a:oracle:linux:bind-doc, p-cpe:/a:oracle:linux:bind-libs, p-cpe:/a:oracle:linux:bind-license, p-cpe:/a:oracle:linux:bind-utils, p-cpe:/a:oracle:linux:bind, p-cpe:/a:oracle:linux:python3-bind

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux

Exploit Ease: No known exploits are available

Patch Publication Date: 10/26/2026

Vulnerability Publication Date: 9/16/2026

Reference Information

CVE: CVE-2026-19662

IAVA: 2026-A-1029-S