CVE-2021-42380

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Source
https://cve.org/CVERecord?id=CVE-2021-42380
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-42380.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-42380
Downstream
Related
Published
2021-11-15T21:15:07.857Z
Modified
2026-05-18T05:53:33.709172237Z
Severity
  • 7.2 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

A use-after-free in Busybox's awk applet leads to denial of service and possibly code execution when processing a crafted awk pattern in the clrvar function

Database specific 
{
    "unresolved_ranges": [
        {
            "cpes": [
                "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "last_affected": "33"
                },
                {
                    "last_affected": "34"
                }
            ],
            "source": "CPE_FIELD",
            "vendor_product": "fedoraproject:fedora"
        }
    ]
}
References

Affected packages

Git / github.com/mirror/busybox

Affected ranges

Type
GIT
Repo
https://github.com/mirror/busybox
Events
Introduced
c0fab1ba496e27168898c0e74d8e3d11b9902999
Last affected
bcc5b0e6caca6c7602a6a41faa5f980292e0fbc5
Database specific 
{
    "extracted_events": [
        {
            "introduced": "1.28.0"
        },
        {
            "last_affected": "1.33.1"
        }
    ],
    "source": "CPE_FIELD",
    "cpe": "cpe:2.3:a:busybox:busybox:*:*:*:*:*:*:*:*"
}

Affected versions

Other
1_28_0
1_29_0
1_30_0
1_31_0
1_32_0
1_33_0
1_33_1

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-42380.json"