Detections
Analytics

TencentOS Server 3: .NET 8.0 (TSSA-2026:0390)

high Nessus Plugin ID 316683

Synopsis

The remote TencentOS Server 3 host is missing one or more security updates.

Description

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0390 advisory.

 Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:

 CVE-2026-26171:
 Uncontrolled resource consumption in .NET allows an unauthorized attacker to deny service over a network.

 CVE-2026-32178:
 Improper neutralization of special elements in .NET allows an unauthorized attacker to perform spoofing over a network.

 CVE-2026-32203:
 Stack-based buffer overflow in .NET and Visual Studio allows an unauthorized attacker to deny service over a network.

 CVE-2026-33116:
 Loop with unreachable exit condition ('infinite loop') in .NET, .NET Framework, Visual Studio allows an unauthorized attacker to deny service over a network.

Tenable has extracted the preceding description block directly from the Tencent Linux 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.

See Also

https://mirrors.tencent.com/tlinux/errata/tssa-20260390.xml

Plugin Details

Severity: High

ID: 316683

File Name: tencentos_TSSA_2026_0390.nasl

Version: 1.1

Type: Local

Published: 5/26/2026

Updated: 5/26/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-32178

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

CVSS Score Source: CVE-2026-33116

Vulnerability Information

CPE: cpe:/o:tencent:tencentos_server:3, p-cpe:/a:tencent:tencentos_server:dotnet8.0

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/etc/os-release, Host/TencentOS/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 4/16/2026

Vulnerability Publication Date: 4/14/2026

Reference Information

CVE: CVE-2026-26171, CVE-2026-32178, CVE-2026-32203, CVE-2026-33116