High
Security advisory
In Wireshark 3.2.0 to 3.2.7, the GQUIC dissector could crash. This was addressed in epan/dissectors/packet-gquic.c by correcting the implementation of offset advancement.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-28030
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 09:05 UTC · Revision 1
Source evidence
In Wireshark 3.2.0 to 3.2.7, the GQUIC dissector could crash. This was addressed in epan/dissectors/packet-gquic.c by correcting the implementation of offset advancement.
osv:CVE-2020-28030
Complete source record
{
"id": "fc785eac00d1b4ec2af0ec16192767e6bd315ef112078fa8c8eb3c4742a15cbe",
"url": "https://osv.dev/vulnerability/CVE-2020-28030",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-28030",
"summary": "In Wireshark 3.2.0 to 3.2.7, the GQUIC dissector could crash. This was addressed in epan/dissectors/packet-gquic.c by correcting the implementation of offset advancement.",
"evidence": "osv:CVE-2020-28030",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2020-28030",
"aliases": [
"CVE-2020-28030"
],
"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": "fb6522d84a3ae0a8edb4c17a9d552739a9d7fa69"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.2.0"
},
{
"last_affected": "3.2.7"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"wireshark-3.2.7",
"v3.2.7",
"v3.2.7rc0",
"wireshark-3.2.6",
"v3.2.6",
"v3.2.6rc0",
"wireshark-3.2.5",
"v3.2.5",
"v3.2.5rc0",
"wireshark-3.2.4",
"v3.2.4",
"v3.2.4rc0",
"wireshark-3.2.3",
"v3.2.3",
"v3.2.3rc0",
"wireshark-3.2.2",
"v3.2.2",
"v3.2.2rc0",
"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-2020-28030.json"
}
},
{
"ranges": [
{
"repo": "https://gitlab.com/wireshark/wireshark",
"type": "GIT",
"events": [
{
"introduced": "e0ed4cfa3d72110257da54c26ad3a28d282ef454"
},
{
"last_affected": "fb6522d84a3ae0a8edb4c17a9d552739a9d7fa69"
},
{
"fixed": "b287e7165e8aa89cde6ae37e7c257c5d87d16b9b"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "3.2.0"
},
{
"last_affected": "3.2.7"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "b287e7165e8aa89cde6ae37e7c257c5d87d16b9b"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"wireshark-3.2.7",
"v3.2.7",
"v3.2.7rc0",
"wireshark-3.2.6",
"v3.2.6",
"v3.2.6rc0",
"wireshark-3.2.5",
"v3.2.5",
"v3.2.5rc0",
"wireshark-3.2.4",
"v3.2.4",
"v3.2.4rc0",
"wireshark-3.2.3",
"v3.2.3",
"v3.2.3rc0",
"wireshark-3.2.2",
"v3.2.2",
"v3.2.2rc0",
"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-2020-28030.json",
"vanir_signatures": [
{
"id": "CVE-2020-28030-8bf9ffc7",
"digest": {
"length": 9423,
"function_hash": "93666439817911880652568707146755693755"
},
"source": "https://gitlab.com/wireshark/wireshark@b287e7165e8aa89cde6ae37e7c257c5d87d16b9b",
"target": {
"file": "epan/dissectors/packet-gquic.c",
"function": "dissect_gquic_tag"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
},
{
"id": "CVE-2020-28030-9f6d66c8",
"digest": {
"threshold": 0.9,
"line_hashes": [
"280974726505164498832962824171895621958",
"319833764394839539996018421668773904580",
"102435623945195054836624030565028356176",
"129511524565700081700416126136415642483",
"28107926798278441138880117578288969157",
"222716997940042778667677425768016096569",
"99556750202311595969094874610977454676",
"237055850321980614802788386596803708312",
"48325267683462326833116598420950938179",
"303855810784359905657086906803144814681",
"19642233341739342455331457094249227014",
"245555687721842950819514724815158948132",
"110354187581941810161087703105666630284",
"246555755249623061771063583115586030231",
"91800038486104211351087112837691629558",
"278492313177756171993250479778510720043"
]
},
"source": "https://gitlab.com/wireshark/wireshark@b287e7165e8aa89cde6ae37e7c257c5d87d16b9b",
"target": {
"file": "epan/dissectors/packet-gquic.c"
},
"deprecated": false,
"signature_type": "Line",
"signature_version": "v1"
},
{
"id": "CVE-2020-28030-edec86ca",
"digest": {
"length": 25944,
"function_hash": "218040539303201998126225013104010039284"
},
"source": "https://gitlab.com/wireshark/wireshark@b287e7165e8aa89cde6ae37e7c257c5d87d16b9b",
"target": {
"file": "epan/dissectors/packet-gquic.c",
"function": "proto_register_gquic"
},
"deprecated": false,
"signature_type": "Function",
"signature_version": "v1"
}
],
"vanir_signatures_modified": "2026-10-24T14:06:26Z"
}
}
],
"modified": "2026-10-24T14:06:26.560378222Z",
"provider": "osv",
"references": [
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHZSVK7PO2LTGFQXFHFXY6SOMSQ7UPRS/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V2667E6WKVE56G66BVBVD7LJPIDOJ7K3/",
"https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html",
"https://www.wireshark.org/security/wnpa-sec-2020-15.html",
"https://gitlab.com/wireshark/wireshark/-/issues/16887",
"https://gitlab.com/wireshark/wireshark/-/commit/b287e7165e8aa89cde6ae37e7c257c5d87d16b9b"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*"
],
"vendor_product": "fedoraproject:fedora",
"extracted_events": [
{
"range": [
{
"introduced": "32"
},
{
"last_affected": "32"
},
{
"introduced": "33"
},
{
"last_affected": "33"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2020-28030",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 443042,
"published_at": "2020-11-02T21:15:30.477+00:00"
}