CVE-2021-29358

Name: CVE-2021-29358
Creator: NVD / NIST
Published: 2021-09-28T16:15:07.963+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.65%

Last modified Jun 17, 2026

CVE-2021-29358 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A buffer overflow vulnerability in FORMATS!ReadPVR_W+0xfa of Irfanview 4.57 allows attackers to cause a denial of service (DOS) via a crafted PVR file.. EPSS estimates a 0.65% chance of exploitation in the next 30 days.

Description

A buffer overflow vulnerability in FORMATS!ReadPVR_W+0xfa of Irfanview 4.57 allows attackers to cause a denial of service (DOS) via a crafted PVR file.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.65%

46.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Irfanview	Irfanview	4.57

References

https://github.com/moshekaplan/Research/tree/main/IrfanViewThird Party Advisory
https://github.com/moshekaplan/Research/tree/main/IrfanViewThird Party Advisory

Timeline

Published: Sep 28, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-29358?

A buffer overflow vulnerability in FORMATS!ReadPVR_W+0xfa of Irfanview 4.57 allows attackers to cause a denial of service (DOS) via a crafted PVR file.

How severe is CVE-2021-29358?

CVE-2021-29358 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.65% probability of exploitation in the next 30 days.

How do I fix CVE-2021-29358?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-29358?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST