TencentOS Server 2: webkitgtk4 (TSSA-2025:0998)

high Nessus Plugin ID 284654

Synopsis

The remote TencentOS Server 2 host is missing one or more security updates.

Description

The version of Tencent Linux installed on the remote TencentOS Server 2 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2025:0998 advisory.

Package updates are available for TencentOS Server 2 that fix the following vulnerabilities:

CVE-2025-13502:
A flaw was found in WebKitGTK and WPE WebKit. This vulnerability allows an out-of-bounds read and integer underflow, leading to a UIProcess crash (DoS) via a crafted payload to the GLib remote inspector server.

CVE-2025-13947:
A flaw was found in WebKitGTK. This vulnerability allows remote, user-assisted information disclosure that can reveal any file the user is permitted to read via abusing the file drag-and-drop mechanism where WebKitGTK does not verify that drag operations originate from outside the browser.

CVE-2025-43392:
The issue was addressed with improved handling of caches. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2. A website may exfiltrate image data cross-origin.

CVE-2025-43421:
Multiple issues were addressed by disabling array allocation sinking. This issue is fixed in iOS 26.1 and iPadOS 26.1, Safari 26.1, visionOS 26.1. Processing maliciously crafted web content may lead to an unexpected process crash.

CVE-2025-43425:
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.1, visionOS 26.1, watchOS 26.1, iOS 26.1 and iPadOS 26.1, tvOS 26.1. Processing maliciously crafted web content may lead to an unexpected process crash.

CVE-2025-43427:
This issue was addressed through improved state management. This issue is fixed in iOS 26.1 and iPadOS 26.1, tvOS 26.1, Safari 26.1, visionOS 26.1. Processing maliciously crafted web content may lead to an unexpected process crash.

CVE-2025-43429:
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2. Processing maliciously crafted web content may lead to an unexpected process crash.

CVE-2025-43430:
This issue was addressed through improved state management. This issue is fixed in Safari 26.1, visionOS 26.1, watchOS 26.1, iOS 26.1 and iPadOS 26.1, tvOS 26.1. Processing maliciously crafted web content may lead to an unexpected process crash.

CVE-2025-43431:
The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2. Processing maliciously crafted web content may lead to memory corruption.

CVE-2025-43432:
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.1, visionOS 26.1, watchOS 26.1, iOS 26.1 and iPadOS 26.1, tvOS 26.1. Processing maliciously crafted web content may lead to an unexpected process crash.

CVE-2025-43434:
A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2. Processing maliciously crafted web content may lead to an unexpected Safari crash.

CVE-2025-43440:
This issue was addressed with improved checks This issue is fixed in Safari 26.1, visionOS 26.1, watchOS 26.1, iOS 26.1 and iPadOS 26.1, tvOS 26.1. Processing maliciously crafted web content may lead to an unexpected process crash.

CVE-2025-43443:
This issue was addressed with improved checks. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2.
Processing maliciously crafted web content may lead to an unexpected process crash.

CVE-2025-43458:
This issue was addressed through improved state management. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2. Processing maliciously crafted web content may lead to an unexpected process crash.

CVE-2025-66287:
A flaw was found in WebKitGTK. Processing malicious web content can cause an unexpected process crash due to improper memory handling.

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.

Plugin Details

Severity: High

ID: 284654

File Name: tencentos_TSSA_2025_0998.nasl

Version: 1.1

Type: local

Family: Tencent Local Security Checks

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-2025-66287

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: p-cpe:/a:tencent:tencentos_server:webkitgtk4, cpe:/o:tencent:tencentos_server:2

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: 12/18/2025

Vulnerability Publication Date: 11/4/2025

Reference Information

CVE: CVE-2025-13502, CVE-2025-13947, CVE-2025-43392, CVE-2025-43421, CVE-2025-43425, CVE-2025-43427, CVE-2025-43429, CVE-2025-43430, CVE-2025-43431, CVE-2025-43432, CVE-2025-43434, CVE-2025-43440, CVE-2025-43443, CVE-2025-43458, CVE-2025-66287

IAVA: 2025-A-0901

Detections

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