High
Security advisory
OFPFlowStats in parser.py in Faucet SDN Ryu 4.34 allows attackers to cause a denial of service (infinite loop) via inst.length=0.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2024-34487
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 10:46 UTC · Revision 1
Source evidence
OFPFlowStats in parser.py in Faucet SDN Ryu 4.34 allows attackers to cause a denial of service (infinite loop) via inst.length=0.
osv:CVE-2024-34487
Complete source record
{
"id": "bf72a441fd1ab0cda04a236abaeb3c9d758137ccf8fb104efb7385be2ef88987",
"url": "https://osv.dev/vulnerability/CVE-2024-34487",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2024-34487",
"summary": "OFPFlowStats in parser.py in Faucet SDN Ryu 4.34 allows attackers to cause a denial of service (infinite loop) via inst.length=0.",
"evidence": "osv:CVE-2024-34487",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2024-34487",
"aliases": [
"CVE-2024-34487",
"GHSA-m9vm-8mv9-v5v3",
"PYSEC-2026-1883"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/faucetsdn/ryu",
"type": "GIT",
"events": [
{
"introduced": "c776e4cb68600b2ee0a4f38364f4a355502777f1"
},
{
"last_affected": "c776e4cb68600b2ee0a4f38364f4a355502777f1"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:facuet:ryu:4.34:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.34"
},
{
"last_affected": "4.34"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"4.34",
"v4.34"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-34487.json"
}
}
],
"modified": "2026-10-28T02:30:28.116580877Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/34xxx/CVE-2024-34487.json",
"https://nvd.nist.gov/vuln/detail/CVE-2024-34487",
"https://github.com/faucetsdn/ryu/issues/192"
],
"provider_metadata": {
"cna_assigner": "mitre",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/34xxx/CVE-2024-34487.json"
}
},
"related_cves": [
{
"value": "CVE-2024-34487",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 494627,
"published_at": "2024-05-05T00:00:00+00:00"
}