High
Security advisory
A heap-based buffer over-read exists in the function fast_edit_packet() in the file send_packets.c of Tcpreplay v4.3.0 beta1. This can lead to Denial of Service (DoS) and potentially Information Exposure when the application attempts to process a crafted pcap file.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-17580
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 10:28 UTC · Revision 1
Source evidence
A heap-based buffer over-read exists in the function fast_edit_packet() in the file send_packets.c of Tcpreplay v4.3.0 beta1. This can lead to Denial of Service (DoS) and potentially Information Exposure when the application attempts to process a crafted pcap file.
osv:CVE-2018-17580
Complete source record
{
"id": "265f0292b69514825aede0acbb01a880fe4bc154c9d68221469fbc1aeaeb057f",
"url": "https://osv.dev/vulnerability/CVE-2018-17580",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-17580",
"summary": "A heap-based buffer over-read exists in the function fast_edit_packet() in the file send_packets.c of Tcpreplay v4.3.0 beta1. This can lead to Denial of Service (DoS) and potentially Information Exposure when the application attempts to process a crafted pcap file.",
"evidence": "osv:CVE-2018-17580",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2018-17580",
"aliases": [
"CVE-2018-17580"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/appneta/tcpreplay",
"type": "GIT",
"events": [
{
"introduced": "b663095bd87b60822d4b8688a48040c8f88fd045"
},
{
"last_affected": "b663095bd87b60822d4b8688a48040c8f88fd045"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:broadcom:tcpreplay:4.3.0:beta1:*:*:*:*:*:*",
"range": [
{
"introduced": "4.3.0-beta1"
},
{
"last_affected": "4.3.0-beta1"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"4.3.0-beta1",
"v4.3.0-beta1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-17580.json"
}
}
],
"modified": "2026-10-20T10:50:22.349023740Z",
"provider": "osv",
"references": [
"https://github.com/appneta/tcpreplay/issues/485",
"https://github.com/SegfaultMasters/covering360/blob/master/tcpreplay"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2018-17580",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 381617,
"published_at": "2018-09-28T09:29:00.683+00:00"
}