Rocky Linux 8 [CIQ] Security Update: gstreamer1-plugins-good / gstreamer1-plugins-good-debuginfo / etc Multiple Vulnerabilities (crlsa-2026_59179)

high Nessus Plugin ID 354647

Synopsis

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

Description

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2026_59179 advisory.

* gstreamer: GStreamer: Remote Code Execution via MRF file parsing heap-based buffer overflow (CVE-2026-18296)

* gstreamer: GStreamer: Remote code execution via heap-based buffer overflow in PNG file parsing (CVE-2026-18298)

* gstreamer: GStreamer: Remote Code Execution via Use-After-Free in rtpsbcdepay (CVE-2026-18299)

* GStreamer: GStreamer: Remote code execution via MRF file parsing (CVE-2026-18295)

Tenable has extracted the preceding description block directly from the CIQ 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 based on the guidance in CIQ advisory crlsa-2026_59179.

See Also

https://access.redhat.com/errata/RHSA-2026:59179

https://bugzilla.redhat.com/show_bug.cgi?id=2520580

https://bugzilla.redhat.com/show_bug.cgi?id=2520590

https://bugzilla.redhat.com/show_bug.cgi?id=2520605

https://bugzilla.redhat.com/show_bug.cgi?id=2520606

https://errata.build.resf.org/RLSA-2026:59179

http://www.nessus.org/u?6db71078

http://www.nessus.org/u?eefe7a95

Plugin Details

Severity: High

ID: 354647

File Name: ciq_rocky_linux_8_crlsa-2026_59179.nasl

Version: 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.23

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-18299

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/25/2026

Vulnerability Publication Date: 8/20/2026

Reference Information

CVE: CVE-2026-18295, CVE-2026-18296, CVE-2026-18298, CVE-2026-18299