High
Security advisory
In Wireshark 3.2.0 to 3.2.1, the WireGuard dissector could crash. This was addressed in epan/dissectors/packet-wireguard.c by handling the situation where a certain data structure intentionally has a NULL value.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-9429
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 07:32 UTC · Revision 1
Source evidence
In Wireshark 3.2.0 to 3.2.1, the WireGuard dissector could crash. This was addressed in epan/dissectors/packet-wireguard.c by handling the situation where a certain data structure intentionally has a NULL value.
osv:CVE-2020-9429
Complete source record
{
"id": "ad950cbfd65e6807871291a65b8a9da73b0dfb0411b2f2b0f5bbc6509df1c59f",
"url": "https://osv.dev/vulnerability/CVE-2020-9429",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-9429",
"summary": "In Wireshark 3.2.0 to 3.2.1, the WireGuard dissector could crash. This was addressed in epan/dissectors/packet-wireguard.c by handling the situation where a certain data structure intentionally has a NULL value.",
"evidence": "osv:CVE-2020-9429",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2020-9429",
"aliases": [
"CVE-2020-9429"
],
"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/wireshark/wireshark",
"type": "GIT",
"events": [
{
"introduced": "e0ed4cfa3d72110257da54c26ad3a28d282ef454"
},
{
"last_affected": "bf38a67724d09be2f4032d979d8fc7d25f5a46ef"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.2.0"
},
{
"last_affected": "3.2.1"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"wireshark-3.2.1",
"v3.2.1",
"v3.2.1rc0",
"wireshark-3.2.0",
"v3.2.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-9429.json"
}
},
{
"ranges": [
{
"repo": "https://gitlab.com/wireshark/wireshark",
"type": "GIT",
"events": [
{
"introduced": "e0ed4cfa3d72110257da54c26ad3a28d282ef454"
},
{
"last_affected": "bf38a67724d09be2f4032d979d8fc7d25f5a46ef"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.2.0"
},
{
"last_affected": "3.2.1"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"wireshark-3.2.1",
"v3.2.1",
"v3.2.1rc0",
"wireshark-3.2.0",
"v3.2.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-9429.json"
}
}
],
"modified": "2026-10-24T10:30:54.576589983Z",
"provider": "osv",
"references": [
"https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=73c5fff899f253c44a72657048aec7db6edee571",
"https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=a2530f740d67d41908e84434bb5ec99480c2ac2e",
"https://security.gentoo.org/glsa/202007-13",
"https://www.wireshark.org/security/wnpa-sec-2020-06.html",
"https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16394"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*"
],
"vendor_product": "opensuse:leap",
"extracted_events": [
{
"range": [
{
"introduced": "15.1"
},
{
"last_affected": "15.1"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2020-9429",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 438226,
"published_at": "2020-02-27T23:15:12.907+00:00"
}