HighFix available
wireshark — security advisory
In Wireshark 2.6.0, 2.4.0 to 2.4.6, and 2.2.0 to 2.2.14, the DNS dissector could crash. This was addressed in epan/dissectors/packet-dns.c by avoiding a NULL pointer dereference for an empty name in an SRV record.
- Products
- wireshark
- Affected versions
- Not specified
- Fixed versions
- 2.2.15-r0
- CVEs
- CVE-2018-11356
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 21:56 UTC · Revision 1
Source evidence
In Wireshark 2.6.0, 2.4.0 to 2.4.6, and 2.2.0 to 2.2.14, the DNS dissector could crash. This was addressed in epan/dissectors/packet-dns.c by avoiding a NULL pointer dereference for an empty name in an SRV record.
osv:ALPINE-CVE-2018-11356
wireshark
Fixed versions: 2.2.15-r0
Complete source record
{
"id": "989736ac69858a284f0a7c421f1a2b7ba00721cdcede03f809a26ac69464f524",
"url": "https://osv.dev/vulnerability/ALPINE-CVE-2018-11356",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "ALPINE-CVE-2018-11356",
"summary": "In Wireshark 2.6.0, 2.4.0 to 2.4.6, and 2.2.0 to 2.2.14, the DNS dissector could crash. This was addressed in epan/dissectors/packet-dns.c by avoiding a NULL pointer dereference for an empty name in an SRV record.",
"evidence": "osv:ALPINE-CVE-2018-11356",
"products": [
{
"name": {
"value": "wireshark",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.2.15-r0",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "ALPINE-CVE-2018-11356",
"aliases": [
"ALPINE-CVE-2018-11356"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "2.2.0"
},
{
"fixed": "2.2.15-r0"
}
]
}
],
"package": {
"name": "wireshark",
"purl": "pkg:apk/alpine/wireshark?arch=source",
"ecosystem": "Alpine:v3.5"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-11356.json"
},
"ecosystem_specific": {}
}
],
"modified": "2026-10-23T17:17:55.203711950Z",
"provider": "osv",
"upstream": [
"CVE-2018-11356"
],
"references": [
"https://security.alpinelinux.org/vuln/CVE-2018-11356"
]
},
"related_cves": [
{
"value": "CVE-2018-11356",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 414979,
"published_at": "2018-05-22T21:29:00.3+00:00"
}