NewStart CGSL MAIN 7.02 : gstreamer1-plugins-base Vulnerability (NS-SA-2026-0099)

high Nessus Plugin ID 343563

Synopsis

The remote NewStart CGSL host is affected by a vulnerability.

Description

The remote NewStart CGSL host, running version MAIN 7.02, has gstreamer1-plugins-base packages installed that are affected by a vulnerability:

- GStreamer DVB Subtitles Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The specific flaw exists within the handling of coordinates. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
Was ZDI-CAN-28838. (CVE-2026-2923)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade the vulnerable CGSL gstreamer1-plugins-base packages. Note that updated packages may not be available yet.
Please contact ZTE for more information.

See Also

https://security.gd-linux.com/info/CVE-2026-2923

https://security.gd-linux.com/notice/NS-SA-2026-0099

Plugin Details

Severity: High

ID: 343563

File Name: newstart_cgsl_NS-SA-2026-0099_gstreamer1-plugins-base.nasl

Version: 1.1

Type: Local

Published: 9/8/2026

Updated: 9/8/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.88

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-2026-2923

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:zte:cgsl_main:7, p-cpe:/a:zte:cgsl_main:gstreamer1-plugins-base-devel, p-cpe:/a:zte:cgsl_main:gstreamer1-plugins-base-doc, p-cpe:/a:zte:cgsl_main:gstreamer1-plugins-base-tools, p-cpe:/a:zte:cgsl_main:gstreamer1-plugins-base

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/7/2026

Vulnerability Publication Date: 3/7/2026

Reference Information

CVE: CVE-2026-2923