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Rocky Linux 9 [CIQ] Security Update: nginx / nginx-all-modules / nginx-core / nginx-core-debuginfo / etc (crlsa-2026_67283)

critical Nessus Plugin ID 356200

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Synopsis

The Rocky Linux host is missing one or more security updates.

Description

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-2026_67283 advisory.

 * nginx: NGINX: Arbitrary code execution via crafted HTTP requests (CVE-2026-42533)

Tenable has extracted the preceding description block directly from the CIQ 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 based on the guidance in CIQ advisory crlsa-2026_67283.

See Also

https://access.redhat.com/errata/RHSA-2026:67283

https://bugzilla.redhat.com/show_bug.cgi?id=2500967

https://errata.build.resf.org/RLSA-2026:67283

http://www.nessus.org/u?6df6cfb4

http://www.nessus.org/u?e36a2bc3

Plugin Details

Severity: Critical

ID: 356200

File Name: ciq_rocky_linux_9_crlsa-2026_67283.nasl

Version: 1.2

Type: Local

Published: 10/1/2026

Updated: 10/2/2026

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

Risk Information

VPR

Risk Factor: High

Score: 7.9

Percentile: 99.35

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 6.3

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

CVSS Score Source: CVE-2026-42533

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.5

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

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

CVSS v4

Risk Factor: Critical

Base Score: 9.2

Threat Score: 8.2

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/OS/extended-third-party

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/14/2026

Vulnerability Publication Date: 7/15/2026

Exploitable With

Core Impact

Reference Information

CVE: CVE-2026-42533