CVE-2019-20021

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Source
https://cve.org/CVERecord?id=CVE-2019-20021
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-20021.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2019-20021
Downstream
Related
Published
2019-12-27T02:15:10.797Z
Modified
2026-05-28T04:05:07.885497618Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

A heap-based buffer over-read was discovered in canUnpack in p_mach.cpp in UPX 3.95 via a crafted Mach-O file.

Database specific 
{
    "unresolved_ranges": [
        {
            "source": "CPE_STRING",
            "vendor_product": "fedoraproject:fedora",
            "cpes": [
                "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "last_affected": "30"
                },
                {
                    "last_affected": "31"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/upx/upx

Affected ranges

Type
GIT
Repo
https://github.com/upx/upx
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
7a3637ff5a800b8bcbad20ae7f668d8c8449b014
Database specific 
{
    "source": "CPE_STRING",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "3.95"
        }
    ],
    "cpe": "cpe:2.3:a:upx:upx:3.95:*:*:*:*:*:*:*"
}

Affected versions

v1.*
v1.10
v1.11
v1.90
v1.91
v1.92
v1.93
v1.94
v1.95
v1.96
v2.*
v2.00
v2.01
v2.90
v2.91
v2.92
v2.93
v3.*
v3.00
v3.01
v3.02
v3.03
v3.04
v3.06
v3.07
v3.09
v3.91
v3.92
v3.93
v3.95

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-20021.json"