Detections
Analytics

Oracle Linux 10 : nginx (ELSA-2026-59220)

high Nessus Plugin ID 339373

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-2026-59220 advisory.

 - Resolves: RHEL-219313 - nginx: NGINX: Heap buffer over-read allows memory modification or denial of service (CVE-2026-56434)
 - Resolves: RHEL-217956 - nginx: NGINX: Memory disclosure and denial of service in ngx_http_slice_module (CVE-2026-60005)
 - Resolves: RHEL-188402 - nginx: NGINX: Arbitrary code execution or.
 Denial of Service via heap-based buffer overflow with crafted HTTP/2 headers (CVE-2026-42055)
 - Resolves: RHEL-178669 - nginx: code execution and denial of service (CVE-2026-9256)
 - Resolves: RHEL-176231 - nginx: NGINX: Arbitrary Code Execution Vulnerability (CVE-2026-42945)
 - RHEL-159547 CVE-2026-27654 nginx: NGINX: Denial of Service or file modification via buffer overflow in ngx_http_dav_module
 - RHEL-159526 CVE-2026-27784 nginx: NGINX: Denial of Service due to memory corruption via crafted MP4 file
 - RHEL-159434 CVE-2026-27651 nginx: NGINX: Denial of Service via undisclosed requests when ngx_mail_auth_http_module is enabled

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-2026-59220.html

Plugin Details

Severity: High

ID: 339373

File Name: oraclelinux_ELSA-2026-59220.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 8/25/2026

Updated: 8/25/2026

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: 6.2

Percentile: 96.6

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

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

CVSS Score Source: CVE-2026-60005

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

CVSS Score Source: CVE-2026-56434

CVSS v4

Risk Factor: High

Base Score: 8.3

Threat Score: 4.8

Threat Vector: CVSS:4.0/E:U

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

CVSS Score Source: CVE-2026-56434

Vulnerability Information

CPE: cpe:/o:oracle:linux:10, p-cpe:/a:oracle:linux:nginx-all-modules, p-cpe:/a:oracle:linux:nginx-core, p-cpe:/a:oracle:linux:nginx-filesystem, p-cpe:/a:oracle:linux:nginx-mod-devel, p-cpe:/a:oracle:linux:nginx-mod-http-image-filter, p-cpe:/a:oracle:linux:nginx-mod-http-perl, p-cpe:/a:oracle:linux:nginx-mod-http-xslt-filter, p-cpe:/a:oracle:linux:nginx-mod-mail, p-cpe:/a:oracle:linux:nginx-mod-stream, p-cpe:/a:oracle:linux:nginx

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: 8/25/2026

Vulnerability Publication Date: 7/15/2026

Reference Information

CVE: CVE-2026-56434, CVE-2026-60005

IAVA: 2026-A-0754