Detections
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TencentOS Server 3: firefox (TSSA-2025:0987)

high Nessus Plugin ID 284639

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-2025:0987 advisory.

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

 CVE-2025-13012:
 Race condition in the Graphics component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Firefox ESR < 115.30, Thunderbird < 145, and Thunderbird < 140.5.

 CVE-2025-13013:
 Mitigation bypass in the DOM: Core & HTML component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Firefox ESR < 115.30, Thunderbird < 145, and Thunderbird < 140.5.

 CVE-2025-13014:
 Use-after-free in the Audio/Video component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Firefox ESR < 115.30, Thunderbird < 145, and Thunderbird < 140.5.

 CVE-2025-13015:
 Spoofing issue in Firefox. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Firefox ESR < 115.30, Thunderbird < 145, and Thunderbird < 140.5.

 CVE-2025-13016:
 Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Thunderbird < 145, and Thunderbird < 140.5.

 CVE-2025-13017:
 Same-origin policy bypass in the DOM: Notifications component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Thunderbird < 145, and Thunderbird < 140.5.

 CVE-2025-13018:
 Mitigation bypass in the DOM: Security component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Thunderbird < 145, and Thunderbird < 140.5.

 CVE-2025-13019:
 Same-origin policy bypass in the DOM: Workers component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Thunderbird < 145, and Thunderbird < 140.5.

 CVE-2025-13020:
 Use-after-free in the WebRTC: Audio/Video component. This vulnerability affects Firefox < 145, Firefox ESR < 140.5, Thunderbird < 145, and Thunderbird < 140.5.

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-20250987.xml

Plugin Details

Severity: High

ID: 284639

File Name: tencentos_TSSA_2025_0987.nasl

Version: 1.1

Type: local

Published: 1/14/2026

Updated: 1/14/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

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-2025-13020

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

CPE: cpe:/o:tencent:tencentos_server:3, p-cpe:/a:tencent:tencentos_server:firefox

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

Exploit Ease: No known exploits are available

Patch Publication Date: 12/1/2025

Vulnerability Publication Date: 11/11/2025

Reference Information

CVE: CVE-2025-13012, CVE-2025-13013, CVE-2025-13014, CVE-2025-13015, CVE-2025-13016, CVE-2025-13017, CVE-2025-13018, CVE-2025-13019, CVE-2025-13020

IAVA: 2025-A-0852-S