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NewStart CGSL MAIN 6.06 : harfbuzz Vulnerability (NS-SA-2026-0052)

high Nessus Plugin ID 330492

Synopsis

The remote NewStart CGSL host is affected by a vulnerability.

Description

The remote NewStart CGSL host, running version MAIN 6.06, has harfbuzz packages installed that are affected by a vulnerability:

 - hb-ot-layout-gsubgpos.hh in HarfBuzz through 6.0.0 allows attackers to trigger O(n^2) growth via consecutive marks during the process of looking back for base glyphs when attaching marks.
 (CVE-2023-25193)

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 harfbuzz 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-2023-25193

https://security.gd-linux.com/notice/NS-SA-2026-0052

Plugin Details

Severity: High

ID: 330492

File Name: newstart_cgsl_NS-SA-2026-0052_harfbuzz.nasl

Version: 1.1

Type: Local

Published: 7/29/2026

Updated: 7/29/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2023-25193

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: cpe:/o:zte:cgsl_main:6, p-cpe:/a:zte:cgsl_main:harfbuzz-devel, p-cpe:/a:zte:cgsl_main:harfbuzz-icu, p-cpe:/a:zte:cgsl_main:harfbuzz

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/27/2026

Vulnerability Publication Date: 2/4/2023

Reference Information

CVE: CVE-2023-25193