CVE-2021-42374

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Source
https://cve.org/CVERecord?id=CVE-2021-42374
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-42374.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-42374
Downstream
Related
Published
2021-11-15T21:15:07.540Z
Modified
2026-05-18T05:55:16.985761517Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H CVSS Calculator
Summary
[none]
Details

An out-of-bounds heap read in Busybox's unlzma applet leads to information leak and denial of service when crafted LZMA-compressed input is decompressed. This can be triggered by any applet/format that

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
ceaffde51163394c47fec34dac8663ae8152a699
Last affected
bcc5b0e6caca6c7602a6a41faa5f980292e0fbc5
Database specific 
{
    "extracted_events": [
        {
            "introduced": "1.27.0"
        },
        {
            "last_affected": "1.33.1"
        }
    ],
    "source": "CPE_FIELD",
    "cpe": "cpe:2.3:a:busybox:busybox:*:*:*:*:*:*:*:*"
}

Affected versions

Other
1_27_0
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-2021-42374.json"