CVE-2021-3404

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Source
https://cve.org/CVERecord?id=CVE-2021-3404
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3404.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-3404
Downstream
Published
2021-03-04T22:15:14.657Z
Modified
2026-07-08T05:59:22.160343067Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

In ytnef 1.9.3, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and potentially code execution) due to a heap buffer overflow which can be triggered via a crafted file.

Database specific 
{
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "33"
                },
                {
                    "last_affected": "33"
                }
            ],
            "vendor_product": "fedoraproject:fedora",
            "source": "CPE_STRING",
            "cpes": [
                "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*"
            ]
        },
        {
            "extracted_events": [
                {
                    "introduced": "7.0"
                },
                {
                    "last_affected": "7.0"
                }
            ],
            "vendor_product": "redhat:enterprise_linux",
            "source": "CPE_STRING",
            "cpes": [
                "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*"
            ]
        }
    ]
}
References

Affected packages

Git / github.com/yeraze/ytnef

Affected ranges

Type
GIT
Repo
https://github.com/yeraze/ytnef
Events
Introduced
d9b2f01d125c9b178f7a00ec397cc2a9f258e8e1
Last affected
d9b2f01d125c9b178f7a00ec397cc2a9f258e8e1
Database specific
Show details 
{
    "cpe": "cpe:2.3:a:ytnef_project:ytnef:1.9.3:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "1.9.3"
        },
        {
            "last_affected": "1.9.3"
        }
    ],
    "source": "CPE_STRING"
}

Affected versions

1.*
1.9.3
v1.*
v1.9.3

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3404.json"