Detections
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Oracle Linux 8 : idm:DL1 (ELSA-2026-83460)

high Nessus Plugin ID 366322

Synopsis

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

Description

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-83460 advisory.

 - CVE-2026-73197 ipa: FreeIPA: Unauthenticated DoS in /ipa/migration/migration.py via Unbounded Request Body Read Resolves: RHEL-240819
 - Fix ipatests for kdcproxy after CVE-2025-59088 fix Resolves: RHEL-129966
 - CVE-2026-18147 idm:DL1/ipa: FreeIPA/IdM: Cross-Site Scripting vulnerability allows arbitrary code execution via crafted URL Resolves: RHEL-218850
 - CVE-2026-18147 idm:client/ipa: FreeIPA/IdM: Cross-Site Scripting vulnerability allows arbitrary code execution via crafted URL Resolves: RHEL-218856
 - CVE-2026-73198 ipa: FreeIPA: Unauthenticated DoS in /ipa/i18n_messages via Unbounded Request Body Read Resolves: RHEL-240798
 - CVE-2026-73197 ipa: FreeIPA: Unauthenticated DoS in /ipa/migration/migration.py via Unbounded Request Body Read Resolves: RHEL-240819
 - CVE-2026-11861 ipa: FreeIPA: Obtaining TGS with impersonating cname through trust relationships Resolves: RHEL-240840
 - CVE-2026-13097 ipa: Privilege escalation via krbCanonicalName manipulation due to realm-unaware uniqueness enforcement in FreeIPA LDAP datastore Resolves: RHEL-240905
 - CVE-2026-76578 idm:DL1/ipa: FreeIPA: unauthenticated LDAP client can obtain administrator credentials via the self-managed-token ACI Resolves: RHEL-245481
 - CVE-2026-19550 ipa: FreeIPA: trust-fetch-domains uses trust-read ACI to gate a privileged AD trust refresh, allowing unauthorized LDAP writes Resolves: RHEL-245621
 - CVE-2026-79678 idm:DL1/ipa: freeipa: idp-add eval() reachable before authorization check allows environment disclosure and denial of service Resolves: RHEL-255682
 - Fix ipatests for kdcproxy after CVE-2025-59088 fix Resolves: RHEL-129966
 - CVE-2026-18147 idm:DL1/ipa: FreeIPA/IdM: Cross-Site Scripting vulnerability allows arbitrary code execution via crafted URL Resolves: RHEL-218850
 - CVE-2026-18147 idm:client/ipa: FreeIPA/IdM: Cross-Site Scripting vulnerability allows arbitrary code execution via crafted URL Resolves: RHEL-218856
 - CVE-2026-73198 ipa: FreeIPA: Unauthenticated DoS in /ipa/i18n_messages via Unbounded Request Body Read Resolves: RHEL-240798
 - CVE-2026-73197 ipa: FreeIPA: Unauthenticated DoS in /ipa/migration/migration.py via Unbounded Request Body Read Resolves: RHEL-240819
 - CVE-2026-11861 ipa: FreeIPA: Obtaining TGS with impersonating cname through trust relationships Resolves: RHEL-240840
 - CVE-2026-13097 ipa: Privilege escalation via krbCanonicalName manipulation due to realm-unaware uniqueness enforcement in FreeIPA LDAP datastore Resolves: RHEL-240905
 - CVE-2026-76578 idm:DL1/ipa: FreeIPA: unauthenticated LDAP client can obtain administrator credentials via the self-managed-token ACI Resolves: RHEL-245481
 - CVE-2026-19550 ipa: FreeIPA: trust-fetch-domains uses trust-read ACI to gate a privileged AD trust refresh, allowing unauthorized LDAP writes Resolves: RHEL-245621
 - CVE-2026-79678 idm:DL1/ipa: freeipa: idp-add eval() reachable before authorization check allows environment disclosure and denial of service Resolves: RHEL-255682

 ipa-healthcheck
 - Use DNS discovery for declared realms only (CVE-2025-59088) Resolves: RHEL-113657
 - Fix DoS vulnerability based on unbounded TCP buffering (CVE-2025-59089) Resolves: RHEL-113664

 python-qrcode

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.

See Also

https://linux.oracle.com/errata/ELSA-2026-83460.html

Plugin Details

Severity: High

ID: 366322

File Name: oraclelinux_ELSA-2026-83460.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/15/2026

Updated: 10/15/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7

Percentile: 98.06

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

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

CVSS Score Source: CVE-2026-11861

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

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

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

Vulnerability Information

CPE: cpe:/o:oracle:linux:8, p-cpe:/a:oracle:linux:bind-dyndb-ldap, p-cpe:/a:oracle:linux:custodia, p-cpe:/a:oracle:linux:ipa-client-common, p-cpe:/a:oracle:linux:ipa-client-epn, p-cpe:/a:oracle:linux:ipa-client-samba, p-cpe:/a:oracle:linux:ipa-client, p-cpe:/a:oracle:linux:ipa-common, p-cpe:/a:oracle:linux:ipa-healthcheck-core, p-cpe:/a:oracle:linux:ipa-healthcheck, p-cpe:/a:oracle:linux:ipa-python-compat, p-cpe:/a:oracle:linux:ipa-selinux, p-cpe:/a:oracle:linux:ipa-server-common, p-cpe:/a:oracle:linux:ipa-server-dns, p-cpe:/a:oracle:linux:ipa-server-trust-ad, p-cpe:/a:oracle:linux:ipa-server, p-cpe:/a:oracle:linux:opendnssec, p-cpe:/a:oracle:linux:python3-custodia, p-cpe:/a:oracle:linux:python3-ipaclient, p-cpe:/a:oracle:linux:python3-ipalib, p-cpe:/a:oracle:linux:python3-ipaserver, p-cpe:/a:oracle:linux:python3-ipatests, p-cpe:/a:oracle:linux:python3-jwcrypto, p-cpe:/a:oracle:linux:python3-kdcproxy, p-cpe:/a:oracle:linux:python3-pyusb, p-cpe:/a:oracle:linux:python3-qrcode-core, p-cpe:/a:oracle:linux:python3-qrcode, p-cpe:/a:oracle:linux:python3-yubico, p-cpe:/a:oracle:linux:slapi-nis, p-cpe:/a:oracle:linux:softhsm-devel, p-cpe:/a:oracle:linux:softhsm

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: 10/15/2026

Vulnerability Publication Date: 8/11/2026

Reference Information

CVE: CVE-2026-11861, CVE-2026-13097, CVE-2026-18147, CVE-2026-19550, CVE-2026-73197, CVE-2026-73198, CVE-2026-76578, CVE-2026-79678