Critical
Security advisory
The IPv6 parser in tcpdump before 4.9.0 has a buffer overflow in print-ip6.c:ip6_print().
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2017-5204
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 09:01 UTC · Revision 1
Source evidence
The IPv6 parser in tcpdump before 4.9.0 has a buffer overflow in print-ip6.c:ip6_print().
osv:CVE-2017-5204
Complete source record
{
"id": "753b40aa616bd3665d5b24ff044a72928f5cf2e90d22bf0c7fa61156b38ffb9b",
"url": "https://osv.dev/vulnerability/CVE-2017-5204",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2017-5204",
"summary": "The IPv6 parser in tcpdump before 4.9.0 has a buffer overflow in print-ip6.c:ip6_print().",
"evidence": "osv:CVE-2017-5204",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2017-5204",
"aliases": [
"CVE-2017-5204"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/the-tcpdump-group/tcpdump",
"type": "GIT",
"events": [
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{
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{
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"versions": [
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"tcpdump-4.6.0-bp",
"tcpdump-4.6.0",
"tcpdump-4.5.0",
"tcpdump-3.8-bp",
"tcpdump-3.7.1",
"tcpdump-3.6.1",
"tcpdump-3.5.1"
],
"database_specific": {
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{
"id": "CVE-2017-5204-2ba3af18",
"digest": {
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"source": "https://github.com/the-tcpdump-group/tcpdump/commit/cae54f4d943f163541dc7a90f7f5b432859955e4",
"target": {
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"function": "ethertype_print"
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"source": "https://github.com/the-tcpdump-group/tcpdump/commit/cae54f4d943f163541dc7a90f7f5b432859955e4",
"target": {
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"source": "https://github.com/the-tcpdump-group/tcpdump/commit/cae54f4d943f163541dc7a90f7f5b432859955e4",
"target": {
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"target": {
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"source": "https://github.com/the-tcpdump-group/tcpdump/commit/cae54f4d943f163541dc7a90f7f5b432859955e4",
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"vanir_signatures_modified": "2026-10-24T14:03:25Z"
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],
"modified": "2026-10-24T14:03:25.403456110Z",
"provider": "osv",
"references": [
"https://www.mail-archive.com/debian-bugs-dist%40lists.debian.org/msg1494526.html",
"https://access.redhat.com/errata/RHSA-2017:1871",
"https://security.gentoo.org/glsa/201702-30"
],
"provider_metadata": {
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"last_affected": "8.0"
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"cpes": [
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{
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{
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{
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},
"related_cves": [
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"value": "CVE-2017-5204",
"evidence": "/id"
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"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 442799,
"published_at": "2017-01-28T01:59:01.107+00:00"
}