Medium
Security advisory
In radare2 through 5.3.0 there is a double free vulnerability in the pyc parse via a crafted file which can lead to DoS.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-32613
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 12:44 UTC · Revision 1
Source evidence
In radare2 through 5.3.0 there is a double free vulnerability in the pyc parse via a crafted file which can lead to DoS.
osv:CVE-2021-32613
Complete source record
{
"id": "f679fd270963f156780fffde05311251f544ca968b43f621b323bf38a5ba9c0f",
"url": "https://osv.dev/vulnerability/CVE-2021-32613",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-32613",
"summary": "In radare2 through 5.3.0 there is a double free vulnerability in the pyc parse via a crafted file which can lead to DoS.",
"evidence": "osv:CVE-2021-32613",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2021-32613",
"aliases": [
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],
"metrics": [
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"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
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"repo": "https://github.com/radareorg/radare2",
"type": "GIT",
"events": [
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"introduced": "0"
},
{
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},
{
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},
{
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}
],
"database_specific": {
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{
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"source": "CPE_RANGE"
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{
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"source": "REFERENCES_COMMIT"
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{
"range": [
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}
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}
],
"versions": [
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"5.2.0",
"5.1.1",
"5.1.0",
"release-5.0.0",
"5.0.0",
"4.5.1",
"4.4.0",
"4.3.1",
"Continuous-Windows",
"4.3.0",
"continuous",
"4.2.1",
"4.2.0",
"4.1.1",
"4.1.0",
"4.0.0",
"3.9.0",
"3.8.0",
"3.7.1",
"3.7.0",
"3.6.0",
"3.5.1",
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"3.4.1",
"3.4.0",
"3.3.0",
"3.2.1",
"3.2.0",
"3.1.3",
"3.1.2",
"3.1.1",
"3.1.0",
"3.0.1",
"3.0.0",
"2.9.0",
"2.8.0",
"2.7.0",
"2.6.9",
"2.6.0",
"2.5.0",
"2.4.0",
"2.2.0",
"2.1.0",
"2.0.1",
"2.0.0",
"1.6.0",
"1.5.0",
"1.4.0",
"1.3.0",
"1.3.0-git",
"1.2.0",
"1.2.0-git",
"1.1.0",
"1.0.2",
"1.0.1",
"1.0.0",
"1.0",
"0.10.6",
"0.10.5",
"0.10.4-termux4",
"termux",
"0.10.4",
"0.10.3",
"0.10.2",
"0.10.1",
"0.10.0",
"radare2-windows-nightly",
"0.9.9",
"0.9.8",
"0.9.8-rc4",
"0.9.8-rc3",
"0.9.8-rc2",
"0.9.8-rc1",
"0.9.7",
"0.9.6",
"0.9.4",
"0.9.2",
"0.9",
"0.8.8",
"0.8.6"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-32613.json",
"vanir_signatures": [
{
"id": "CVE-2021-32613-2834f321",
"digest": {
"threshold": 0.9,
"line_hashes": [
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"211074051710044500989675597504644777329",
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},
"source": "https://github.com/radareorg/radare2/commit/a07dedb804a82bc01c07072861942dd80c6b6d62",
"target": {
"file": "libr/bin/p/bin_mach0.c"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
},
{
"id": "CVE-2021-32613-89e7b878",
"digest": {
"length": 228,
"function_hash": "281144442903635776283408469084151380870"
},
"source": "https://github.com/radareorg/radare2/commit/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05",
"target": {
"file": "libr/bin/format/pyc/marshal.c",
"function": "get_none_object"
},
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"signature_type": "Function",
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},
{
"id": "CVE-2021-32613-e60a11fd",
"digest": {
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},
"source": "https://github.com/radareorg/radare2/commit/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05",
"target": {
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},
"deprecated": false,
"signature_type": "Line",
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},
{
"id": "CVE-2021-32613-f6dc3e9a",
"digest": {
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"function_hash": "152887779541464158850990740854948468430"
},
"source": "https://github.com/radareorg/radare2/commit/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05",
"target": {
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"function": "get_object"
},
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"signature_type": "Function",
"signature_version": "v1"
}
],
"vanir_signatures_modified": "2026-10-20T14:23:47Z"
}
}
],
"modified": "2026-10-20T14:23:47.269180339Z",
"provider": "osv",
"references": [
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W3LPB5VGCIA7WA55FSB3YZQFUGZKWD7O/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y3S7JB46PONPHXZHIMR2XDPLGJCN5ZIX/",
"https://bugzilla.redhat.com/show_bug.cgi?id=1959939",
"https://github.com/radareorg/radare2/commit/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05",
"https://github.com/radareorg/radare2/commit/a07dedb804a82bc01c07072861942dd80c6b6d62",
"https://github.com/radareorg/radare2/issues/18666",
"https://github.com/radareorg/radare2/issues/18667",
"https://github.com/radareorg/radare2/issues/18679"
],
"provider_metadata": {
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],
"vendor_product": "fedoraproject:fedora",
"extracted_events": [
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{
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{
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},
{
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],
"source": "CPE_STRING"
}
]
}
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}
},
"related_cves": [
{
"value": "CVE-2021-32613",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 388892,
"published_at": "2021-05-14T13:15:07.377+00:00"
}