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Vulnerability record · CVE-2021-27224 · published 17 February 2021

CVE-2021-27224: Irfanview wpg out-of-bounds write vulnerability

Irfanview · Wpg

The WPG plugin before 3.1.0.0 for IrfanView 4.57 has a user-mode write access violation starting at WPG+0x0000000000012ec6, which might allow remote attackers to execute arbitrary code.

7.5 CVSS 3.1 High EPSS 38% · top 1.5% CWE-787 · Out-of-bounds write
7.5CVSS 3.1 base score, v2 5.0
38%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

The WPG plugin before 3.1.0.0 for IrfanView 4.57 has a user-mode write access violation starting at WPG+0x0000000000012ec6, which might allow remote attackers to execute arbitrary code.

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

Affected products

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

References

LinkTags
http://packetstormsecurity.com/files/161449/IrfanView-4.57-Denial-Of-Service-Code-Execution.html ExploitThird Party AdvisoryVDB Entry
https://sec-consult.com/vulnerability-lab/advisory/multiple-vulnerabilities-irfanview-wpg/ ExploitThird Party Advisory
https://www.irfanview.com/plugins.htm Vendor Advisory
http://packetstormsecurity.com/files/161449/IrfanView-4.57-Denial-Of-Service-Code-Execution.html ExploitThird Party AdvisoryVDB Entry
https://sec-consult.com/vulnerability-lab/advisory/multiple-vulnerabilities-irfanview-wpg/ ExploitThird Party Advisory
https://www.irfanview.com/plugins.htm Vendor Advisory

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2021-27224), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.