Critical
Security advisory
OCI OpenDDS versions prior to 3.18.1 do not handle a length parameter consistent with the actual length of the associated data, which may allow an attacker to remotely execute arbitrary code.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-38445
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 07:47 UTC · Revision 1
Source evidence
OCI OpenDDS versions prior to 3.18.1 do not handle a length parameter consistent with the actual length of the associated data, which may allow an attacker to remotely execute arbitrary code.
osv:CVE-2021-38445
Complete source record
{
"id": "097f6e64642dfc36e72c23fe3e40d3fade6745473e231c959e50bcf47352d189",
"url": "https://osv.dev/vulnerability/CVE-2021-38445",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-38445",
"summary": "OCI OpenDDS versions prior to 3.18.1 do not handle a length parameter consistent with the actual length of the associated data, which may allow an attacker to remotely execute arbitrary code.",
"evidence": "osv:CVE-2021-38445",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2021-38445",
"aliases": [
"CVE-2021-38445"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/opendds/opendds",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "e3f454e402ef466c574aefca7c3dae4f8e39238c"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:objectcomputing:opendds:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "3.18.1"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"DDS-3.16",
"DDS-3.18",
"DDS-3.18-pre1",
"DDS-3.17-pre22",
"DDS-3.17",
"DDS-3.17-pre24",
"DDS-3.17-pre23",
"DDS-3.17-pre21",
"DDS-3.17-pre20",
"DDS-3.17-pre19",
"DDS-3.17-pre18",
"DDS-3.17-pre17",
"DDS-3.17-pre16",
"DDS-3.17-pre15",
"DDS-3.17-pre14",
"DDS-3.17-pre13",
"DDS-3.17-pre7",
"DDS-3.17-pre5",
"DDS-3.17-pre4",
"DDS-3.17-pre2",
"DDS-3.17-pre1",
"DDS-3.16-pre21",
"DDS-3.15",
"DDS-3.15-pre24",
"DDS-3.15-pre23",
"DDS-3.14",
"DDS-3.15-pre22",
"DDS-3.15-pre21",
"DDS-3.15-pre20",
"DDS-3.15-pre18",
"DDS-3.15-pre19",
"DDS-3.15-pre17",
"DDS-3.15-pre16",
"DDS-3.15-pre13",
"DDS-3.15-pre14",
"DDS-3.15-pre15",
"DDS-3.15-pre12",
"DDS-3.15-pre11",
"DDS-3.15-pre10",
"DDS-3.15-pre9",
"DDS-3.15-pre8",
"DDS-3.15-pre7",
"DDS-3.15-pre6",
"DDS-3.15-pre5",
"DDS-3.15-pre4",
"DDS-3.15-pre3",
"DDS-3.15-pre2",
"DDS-3.15-pre1",
"DDS-3.14-pre5",
"DDS-3.14-pre4",
"DDS-3.14-pre3",
"DDS-3.14-pre2",
"DDS-3.14-pre1",
"DDS-3.13",
"DDS-3.10",
"DDS-3.12",
"DDS-3.9",
"DDS-3.8",
"DDS-3.7"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-38445.json"
}
}
],
"modified": "2026-10-24T10:30:58.320724789Z",
"provider": "osv",
"references": [
"https://opendds.org/",
"https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2021-38445",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 439064,
"published_at": "2022-05-05T17:15:09.687+00:00"
}