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Vulnerability record · CVE-2020-25291 · published 13 September 2020

CVE-2020-25291: Kingsoft wps office out-of-bounds write vulnerability

Kingsoft · Wps Office

GdiDrawHoriLineIAlt in Kingsoft WPS Office before 11.2.0.9403 allows remote heap corruption via a crafted PLTE chunk in PNG data within a Word document. This is related to QBrush::setMatrix in gui/painting/qbrush.cpp in Qt 4.x.

7.8 CVSS 3.1 High EPSS 1.6% · top 24.9% CWE-787 · Out-of-bounds write
7.8CVSS 3.1 base score, v2 6.8
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

GdiDrawHoriLineIAlt in Kingsoft WPS Office before 11.2.0.9403 allows remote heap corruption via a crafted PLTE chunk in PNG data within a Word document. This is related to QBrush::setMatrix in gui/painting/qbrush.cpp in Qt 4.x.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://zeifan.my/security/rce/heap/2020/09/03/wps-rce-heap.html ExploitThird Party Advisory
http://zeifan.my/security/rce/heap/2020/09/03/wps-rce-heap.html ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.3CVE-2024-7262Kingsoft WPS Office path validation flaw enables arbitrary library loadingKingsoft WPS Office on Windows fails to properly validate paths in promecefpluginhost.exe, allowing an attacker to load an arbitrary Windows library.…KEVEPSS 2.9%analysed9.3CVE-2024-7263Kingsoft wps office path traversal vulnerabilityImproper path validation in promecefpluginhost.exe in Kingsoft WPS Office version ranging from 12.2.0.13110 to 12.2.0.17115 (exclusive) on Windows al…EPSS 0.39%8.1CVE-2023-32548Kingsoft wps office os command injection vulnerabilityOS command injection vulnerability exists in WPS Office version 10.8.0.6186. If a remote attacker who can conduct a man-in-the-middle attack connects…EPSS 1.1%7.8CVE-2023-31275Kingsoft wps office use of uninitialized resource vulnerabilityAn uninitialized pointer use vulnerability exists in the functionality of WPS Office 11.2.0.11537 that handles Data elements in an Excel file. A spec…EPSS 1.7%7.8CVE-2022-25969Kingsoft wps office uncontrolled search path element vulnerabilityThe installer of WPS Office Version 10.8.0.6186 insecurely load VERSION.DLL (or some other DLLs), allowing an attacker to execute arbitrary code with…EPSS 0.83%7.8CVE-2022-26081Kingsoft wps office uncontrolled search path element vulnerabilityThe installer of WPS Office Version 10.8.0.5745 insecurely load shcore.dll, allowing an attacker to execute arbitrary code with the privilege of the …EPSS 0.83%7.8CVE-2022-25943Kingsoft wps office incorrect default permissions vulnerabilityThe installer of WPS Office for Windows versions prior to v11.2.0.10258 fails to configure properly the ACL for the directory where the service progr…EPSS 0.72%5.5CVE-2024-57096Kingsoft wps office information exposure vulnerabilityAn issue in wps office before v.19302 allows a local attacker to obtain sensitive information via a crafted file.EPSS 0.16%

Source: NIST National Vulnerability Database (record CVE-2020-25291), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.