RHEL 9 : ca-certificates (RHSA-2026:88459)

medium Nessus Plugin ID 370915

Synopsis

The remote Red Hat host is missing a security update for ca-certificates.

Description

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:88459 advisory.

The ca-certificates package contains a set of Certificate Authority (CA) certificates chosen by the Mozilla Foundation for use with the Internet Public Key Infrastructure (PKI).

Security Fix(es):

* ca-certificates: Distrust eMudhra intermediate CA certificates due to security concerns (CVE-2026-114406)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise 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 RHEL ca-certificates package based on the guidance in RHSA-2026:88459.

See Also

https://access.redhat.com/errata/RHSA-2026:88459

https://access.redhat.com/security/updates/classification/#critical

https://bugzilla.redhat.com/show_bug.cgi?id=2556046

http://www.nessus.org/u?cb1f63fc

Plugin Details

Severity: Medium

ID: 370915

File Name: redhat-RHSA-2026-88459.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/22/2026

Updated: 10/22/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.53

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.3

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

CVSS Score Source: CVE-2026-114406

CVSS v3

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:9, cpe:/o:redhat:rhel_eus:9.8, p-cpe:/a:redhat:enterprise_linux:ca-certificates

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/22/2026

Vulnerability Publication Date: 10/21/2026

Reference Information

CVE: CVE-2026-114406

CWE: 295

RHSA: 2026:88459