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
Related
Published
2021-03-04T22:15:14.657Z
Modified
2026-03-14T10:59:46.198694Z
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.

References

Affected packages

Git / github.com/yeraze/ytnef

Affected ranges

Type
GIT
Repo
https://github.com/yeraze/ytnef
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
d9b2f01d125c9b178f7a00ec397cc2a9f258e8e1
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "1.9.3"
        }
    ]
}

Affected versions

v1.*
v1.7
v1.8
v1.9
v1.9.1
v1.9.1-2
v1.9.2
v1.9.3

Database specific

unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "7.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "33"
            }
        ]
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3404.json"