RHEL 8 : gstreamer1-plugins-base (RHSA-2026:59487)

high Nessus Plugin ID 339539

Synopsis

The remote Red Hat host is missing a security update for gstreamer1-plugins-base.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:59487 advisory.

GStreamer is a streaming media framework based on graphs of filters which operate on media data. The gstreamer1-plugins-base packages contain a collection of well-maintained base plug-ins.

Security Fix(es):

* gstreamer: GStreamer: Arbitrary code execution via OGG file parsing buffer overflow (CVE-2026-18297)

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 gstreamer1-plugins-base package based on the guidance in RHSA-2026:59487.

See Also

https://access.redhat.com/errata/RHSA-2026:59487

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

https://bugzilla.redhat.com/show_bug.cgi?id=2520572

http://www.nessus.org/u?54f1e91e

Plugin Details

Severity: High

ID: 339539

File Name: redhat-RHSA-2026-59487.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 8/25/2026

Updated: 8/25/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.19

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2026-18297

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:rhel_eus:8.10, p-cpe:/a:redhat:enterprise_linux:gstreamer1-plugins-base-devel, p-cpe:/a:redhat:enterprise_linux:gstreamer1-plugins-base

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: 8/25/2026

Vulnerability Publication Date: 8/20/2026

Reference Information

CVE: CVE-2026-18297

CWE: 120

RHSA: 2026:59487