CVE-2021-32495

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Source
https://cve.org/CVERecord?id=CVE-2021-32495
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-32495.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2021-32495
Downstream
Published
2023-07-07T19:15:09.600Z
Modified
2026-04-10T09:34:19.467028Z
Severity
  • 9.1 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CVSS Calculator
Summary
[none]
Details

Radare2 has a use-after-free vulnerability in pyc parser's getnoneobject function. Attacker can read freed memory afterwards. This will allow attackers to cause denial of service.

References

Affected packages

Git / github.com/radare/radare2

Affected ranges

Type
GIT
Repo
https://github.com/radare/radare2
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
ee753c25094c6e1c62dfb9596423824251dbc943
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "5.3.0"
        }
    ]
}
Type
GIT
Repo
https://github.com/radareorg/radare2
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
5e16e2d1c9fe245e4c17005d779fde91ec0b9c05

Affected versions

0.*
0.10.0
0.10.1
0.10.2
0.10.3
0.10.4
0.10.4-termux4
0.10.5
0.10.6
0.8.6
0.8.8
0.9
0.9.2
0.9.4
0.9.6
0.9.7
0.9.8
0.9.8-rc1
0.9.8-rc2
0.9.8-rc3
0.9.8-rc4
0.9.9
1.*
1.0
1.0.0
1.0.1
1.0.2
1.1.0
1.2.0
1.2.0-git
1.3.0
1.3.0-git
1.4.0
1.5.0
1.6.0
2.*
2.0.0
2.0.1
2.1.0
2.2.0
2.4.0
2.5.0
2.6.0
2.6.9
2.7.0
2.8.0
2.9.0
3.*
3.0.0
3.0.1
3.1.0
3.1.1
3.1.2
3.1.3
3.2.0
3.2.1
3.3.0
3.4.0
3.4.1
3.5.0
3.5.1
3.6.0
3.7.0
3.7.1
3.8.0
3.9.0
4.*
4.0.0
4.1.0
4.1.1
4.2.0
4.2.1
4.3.0
4.3.1
4.4.0
4.5.1
5.*
5.0.0
5.1.0
5.1.1
5.2.0
5.2.1
5.3.0
Other
Continuous-Windows
continuous
radare2-windows-nightly
termux
release-5.*
release-5.0.0

Database specific

vanir_signatures 
[
    {
        "target": {
            "function": "get_none_object",
            "file": "libr/bin/format/pyc/marshal.c"
        },
        "deprecated": false,
        "signature_version": "v1",
        "source": "https://github.com/radareorg/radare2/commit/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05",
        "digest": {
            "length": 228.0,
            "function_hash": "281144442903635776283408469084151380870"
        },
        "id": "CVE-2021-32495-89e7b878",
        "signature_type": "Function"
    },
    {
        "target": {
            "file": "libr/bin/format/pyc/marshal.c"
        },
        "deprecated": false,
        "signature_version": "v1",
        "source": "https://github.com/radareorg/radare2/commit/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "293727422535202617895383407783017198569",
                "325426534639164205903082921648749687711",
                "228831602891691957477592427643617201977",
                "224186186095923557659101101390381017579",
                "212850913520644578786064218748185165524",
                "172004653938665698361432276404790548809",
                "26425263749308728204585716171309190508",
                "149829655951370627201221230733046478701",
                "246419025862705036512837914482105705955",
                "228127056506232150828101904703011610912"
            ]
        },
        "id": "CVE-2021-32495-e60a11fd",
        "signature_type": "Line"
    },
    {
        "target": {
            "function": "get_object",
            "file": "libr/bin/format/pyc/marshal.c"
        },
        "deprecated": false,
        "signature_version": "v1",
        "source": "https://github.com/radareorg/radare2/commit/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05",
        "digest": {
            "length": 2432.0,
            "function_hash": "152887779541464158850990740854948468430"
        },
        "id": "CVE-2021-32495-f6dc3e9a",
        "signature_type": "Function"
    }
]
vanir_signatures_modified 
"2026-04-10T09:34:19Z"
source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-32495.json"