RockyLinux 9 : nginx (RLSA-2026:98529)

critical Nessus Plugin ID 380198

Synopsis

The remote RockyLinux host is missing one or more security updates.

Description

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:98529 advisory.

* NGINX: NGINX: Denial of Service or file modification via buffer overflow in ngx_http_dav_module (CVE-2026-27654)

* NGINX: NGINX: Denial of Service due to memory corruption via crafted MP4 file (CVE-2026-27784)

* NGINX: NGINX: Denial of Service via undisclosed requests when ngx_mail_auth_http_module is enabled (CVE-2026-27651)

* nginx: nginx: heap-based buffer overflow in ngx_http_core_module via alias with rewrite referencing $request_filename (CVE-2026-15176)

* nginx: NGINX ngx_http_core_module vulnerability (CVE-2026-97205)

Tenable has extracted the preceding description block directly from the RockyLinux 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: Critical

ID: 380198

File Name: rocky_linux_RLSA-2026-98529.nasl

Version: 1.1

Type: Local

Family: Rocky Linux Local Security Checks

Published: 11/13/2026

Updated: 11/13/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.9

Percentile: 99.32

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.6

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

CVSS Score Source: CVE-2026-27784

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

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

Temporal Vector: CVSS:3.0/E:P/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

CVSS Score Source: CVE-2026-97205

Vulnerability Information

CPE: cpe:/o:rocky:linux:9, p-cpe:/a:rocky:linux:nginx-all-modules, p-cpe:/a:rocky:linux:nginx-core-debuginfo, p-cpe:/a:rocky:linux:nginx-core, p-cpe:/a:rocky:linux:nginx-debuginfo, p-cpe:/a:rocky:linux:nginx-debugsource, p-cpe:/a:rocky:linux:nginx-filesystem, p-cpe:/a:rocky:linux:nginx-mod-devel, p-cpe:/a:rocky:linux:nginx-mod-http-image-filter-debuginfo, p-cpe:/a:rocky:linux:nginx-mod-http-image-filter, p-cpe:/a:rocky:linux:nginx-mod-http-perl-debuginfo, p-cpe:/a:rocky:linux:nginx-mod-http-perl, p-cpe:/a:rocky:linux:nginx-mod-http-xslt-filter-debuginfo, p-cpe:/a:rocky:linux:nginx-mod-http-xslt-filter, p-cpe:/a:rocky:linux:nginx-mod-mail-debuginfo, p-cpe:/a:rocky:linux:nginx-mod-mail, p-cpe:/a:rocky:linux:nginx-mod-stream-debuginfo, p-cpe:/a:rocky:linux:nginx-mod-stream, p-cpe:/a:rocky:linux:nginx

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/13/2026

Vulnerability Publication Date: 3/24/2026

Reference Information

CVE: CVE-2026-15176, CVE-2026-27651, CVE-2026-27654, CVE-2026-27784, CVE-2026-97205

Detections

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