Critical
Security advisory
Out-of-bounds Write vulnerability in TCP stack of Apache NuttX (incubating) versions up to and including 9.1.0 and 10.0.0 allows attacker to corrupt memory by supplying arbitrary urgent data pointer offsets within TCP packets including beyond the length of the packet.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-17528
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 04:31 UTC · Revision 1
Source evidence
Out-of-bounds Write vulnerability in TCP stack of Apache NuttX (incubating) versions up to and including 9.1.0 and 10.0.0 allows attacker to corrupt memory by supplying arbitrary urgent data pointer offsets within TCP packets including beyond the length of the packet.
osv:CVE-2020-17528
Complete source record
{
"id": "3d3e4f2a9aa0148ec58377d4ada349526154df575d327f520fafc1649f89d60a",
"url": "https://osv.dev/vulnerability/CVE-2020-17528",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-17528",
"summary": "Out-of-bounds Write vulnerability in TCP stack of Apache NuttX (incubating) versions up to and including 9.1.0 and 10.0.0 allows attacker to corrupt memory by supplying arbitrary urgent data pointer offsets within TCP packets including beyond the length of the packet.",
"evidence": "osv:CVE-2020-17528",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2020-17528",
"aliases": [
"CVE-2020-17528"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/apache/nuttx",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "e4e4cce6962430e2b07336d2c564b14298995661"
},
{
"introduced": "9f6f05d901c72c6b65969847e02a5c2c0adfd40a"
},
{
"last_affected": "9f6f05d901c72c6b65969847e02a5c2c0adfd40a"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:apache:nuttx:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "9.1.0"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:apache:nuttx:10.0.0:*:*:*:*:*:*:*",
"range": [
{
"introduced": "10.0.0"
},
{
"last_affected": "10.0.0"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"10.0.0",
"nuttx-9.1.0-RC2",
"nuttx-9.1.0",
"nuttx-10.0.0-RC0",
"nuttx-10.0.0",
"nuttx-9.1.0-RC1",
"nuttx-9.1.0-RC0",
"nuttx-8.2",
"nuttx-8.1",
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"nuttx-7.2",
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"nuttx-6.3",
"nuttx-6.2",
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"nuttx-5.19",
"nuttx-5.18",
"nuttx-5.17",
"nuttx-5.16",
"nuttx-5.15",
"nuttx-5.14",
"nuttx-5.13",
"nuttx-5.12",
"nuttx-5.11",
"nuttx-5.10",
"nuttx-5.9",
"nuttx-5.8",
"nuttx-5.7",
"nuttx-5.6",
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"nuttx-5.3",
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"nuttx-4.13",
"nuttx-4.12",
"nuttx-4.11",
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"nuttx-4.2",
"nuttx-4.1",
"nuttx-4.0",
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"nuttx-3.10",
"nuttx-3.9",
"nuttx-3.8",
"nuttx-3.7",
"nuttx-3.6.1",
"nuttx-3.6",
"nuttx-3.5",
"nuttx-3.4",
"nuttx-3.3",
"nuttx-3.2",
"nuttx-3.1",
"nuttx-3.0",
"nuttx-2.8",
"nuttx-2.7",
"nuttx-2.6",
"nuttx-2.5",
"nuttx-2.4",
"nuttx-2.3",
"nuttx-2.2",
"nuttx-2.1",
"nuttx-1.2",
"nuttx-1.1",
"nuttx-1.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-17528.json"
}
}
],
"modified": "2026-10-24T10:30:19.490074864Z",
"provider": "osv",
"references": [
"https://lists.apache.org/thread.html/r7f4215aba288660b41b7e731b6262c8275fa476e91e527a74d2888ea%40%3Cdev.nuttx.apache.org%3E"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2020-17528",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 430030,
"published_at": "2020-12-09T17:15:29.9+00:00"
}