Medium
Security advisory
Heap-buffer overflow in the randomize_iparp function in edit_packet.c. of Tcpreplay v4.3.2 allows attackers to cause a denial of service (DOS) via a crafted pcap.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-23273
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:05 UTC · Revision 1
Source evidence
Heap-buffer overflow in the randomize_iparp function in edit_packet.c. of Tcpreplay v4.3.2 allows attackers to cause a denial of service (DOS) via a crafted pcap.
osv:CVE-2020-23273
Complete source record
{
"id": "6df6b56992de916c92a35f04933d7c80a0825d39288e5fcf3919bd443a5b082e",
"url": "https://osv.dev/vulnerability/CVE-2020-23273",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-23273",
"summary": "Heap-buffer overflow in the randomize_iparp function in edit_packet.c. of Tcpreplay v4.3.2 allows attackers to cause a denial of service (DOS) via a crafted pcap.",
"evidence": "osv:CVE-2020-23273",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2020-23273",
"aliases": [
"CVE-2020-23273"
],
"metrics": [
{
"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": [
{
"repo": "https://github.com/appneta/tcpreplay",
"type": "GIT",
"events": [
{
"introduced": "46a866429f406473eabf06d16fe27b4c61eea86d"
},
{
"last_affected": "46a866429f406473eabf06d16fe27b4c61eea86d"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:broadcom:tcpreplay:4.3.2:*:*:*:*:*:*:*",
"range": [
{
"introduced": "4.3.2"
},
{
"last_affected": "4.3.2"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"4.3.2",
"v4.3.2"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-23273.json"
}
}
],
"modified": "2026-10-20T10:52:49.171518965Z",
"provider": "osv",
"references": [
"https://github.com/appneta/tcpreplay/issues/579"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2020-23273",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 383868,
"published_at": "2021-09-22T00:15:08.727+00:00"
}