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Vulnerability record · CVE-2021-3624 · published 18 April 2022

CVE-2021-3624: Dcraw project dcraw improper input validation vulnerability

Dcraw Project · Dcraw

There is an integer overflow vulnerability in dcraw. When the victim runs dcraw with a maliciously crafted X3F input image, arbitrary code may be executed in the victim's system.

7.8 CVSS 3.1 High EPSS 0.90% · top 41.8% CWE-20 · Improper input validationCWE-190 · Integer overflow
7.8CVSS 3.1 base score, v2 9.3
0.90%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

There is an integer overflow vulnerability in dcraw. When the victim runs dcraw with a maliciously crafted X3F input image, arbitrary code may be executed in the victim's system.

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

Affected products

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

References

LinkTags
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=984761 ExploitIssue TrackingThird Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=984761 ExploitIssue TrackingThird Party Advisory

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

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Source: NIST National Vulnerability Database (record CVE-2021-3624), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.