Rocky Linux 9 [CIQ] Security Update: gstreamer1-plugins-bad-free / gstreamer1-plugins-bad-free-debuginfo / etc Multiple Vulnerabilities (crlsa-2026_6300)

high Nessus Plugin ID 353983

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 multiple vulnerabilities as referenced in the CIQ crlsa-2026_6300 advisory.

* GStreamer: GStreamer: Arbitrary code execution via ASF file processing (CVE-2026-2920)

* GStreamer: GStreamer: Remote Code Execution via heap-based buffer overflow in JPEG parser (CVE-2026-3082)

* GStreamer: GStreamer: Remote Code Execution via Heap-based Buffer Overflow in rtpqdm2depay (CVE-2026-3085)

* GStreamer: GStreamer: Arbitrary code execution via RIFF palette integer overflow in AVI file handling (CVE-2026-2921)

* GStreamer: GStreamer: Remote Code Execution via Out-Of-Bounds Write in rtpqdm2depay (CVE-2026-3083)

* GStreamer: GStreamer: Remote Code Execution via out-of-bounds write in RealMedia Demuxer (CVE-2026-2922)

* GStreamer: GStreamer: Remote Code Execution via out-of-bounds write in DVB Subtitles handling (CVE-2026-2923)

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_6300.

See Also

https://access.redhat.com/errata/RHSA-2026:6300

https://bugzilla.redhat.com/show_bug.cgi?id=2447490

https://bugzilla.redhat.com/show_bug.cgi?id=2447492

https://bugzilla.redhat.com/show_bug.cgi?id=2447495

https://bugzilla.redhat.com/show_bug.cgi?id=2447496

https://bugzilla.redhat.com/show_bug.cgi?id=2447498

https://bugzilla.redhat.com/show_bug.cgi?id=2447500

https://bugzilla.redhat.com/show_bug.cgi?id=2447503

https://errata.build.resf.org/RLSA-2026:6300

http://www.nessus.org/u?3d48c196

http://www.nessus.org/u?6278ce5a

Plugin Details

Severity: High

ID: 353983

File Name: ciq_rocky_linux_9_crlsa-2026_6300.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: 6.9

Percentile: 96.62

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-2026-3085

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/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: 4/7/2026

Vulnerability Publication Date: 3/7/2026

Reference Information

CVE: CVE-2026-2920, CVE-2026-2921, CVE-2026-2922, CVE-2026-2923, CVE-2026-3082, CVE-2026-3083, CVE-2026-3085