Oracle Linux 10 : bind (ELSA-2026-75577)

high Nessus Plugin ID 362993

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-75577 advisory.

- Prevent assertion failure in dns64 mode with break-dnssec yes (CVE-2026-19666)
- Prevent memory leak on following HTTPS/SVCB RR (CVE-2026-81563)
- Prevent crash on wildcard responses containing both NSEC and NSEC3 proofs (CVE-2026-80274)
- Reject oversized negative cached records early (CVE-2026-19667)
- Set limit to following HTTPS/SVCB aliases (CVE-2026-81736)
- Validate NSEC3 signer matches owning zone (CVE-2026-10723)
- Reject out-of-zone NSEC next owner names (CVE-2026-13321)
- Fix reference-counted dns_slabheaders in cache (CVE-2026-11622)
- Fix RRSIG label count validation for wildcard cache poisoning (CVE-2026-11721)
- Fix RPZ name-too-long wildcard expansion (CVE-2026-11331)
- Fix assertion failure on malformed NSEC/NSEC3 responses (CVE-2026-13204)
- Fix GSS-API resource leak (CVE-2026-3039)

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

Plugin Details

Severity: High

ID: 362993

File Name: oraclelinux_ELSA-2026-75577.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Oracle Linux Local Security Checks

Published: 10/5/2026

Updated: 10/5/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.27

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-2026-81736

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:oracle:linux:10, p-cpe:/a:oracle:linux:bind-chroot, p-cpe:/a:oracle:linux:bind-devel, 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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/5/2026

Vulnerability Publication Date: 9/16/2026

Reference Information

CVE: CVE-2026-19666, CVE-2026-19667, CVE-2026-80274, CVE-2026-81563, CVE-2026-81736

IAVA: 2026-A-1029

Detections

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