Medium
Security advisory
On May 4, 2022, the following vulnerability in the ClamAV scanning library versions 0.103.5 and earlier and 0.104.2 and earlier was disclosed: A vulnerability in Clam AntiVirus (ClamAV) versions 0.103.4, 0.103.5, 0.104.1, and 0.104.2 could allow an authenticated, local attacker to cause a denial of service condition on an affected device. For a description of this vulnerability, see the ClamAV blog.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2022-20796
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:05 UTC · Revision 1
Source evidence
On May 4, 2022, the following vulnerability in the ClamAV scanning library versions 0.103.5 and earlier and 0.104.2 and earlier was disclosed: A vulnerability in Clam AntiVirus (ClamAV) versions 0.103.4, 0.103.5, 0.104.1, and 0.104.2 could allow an authenticated, local attacker to cause a denial of service condition on an affected device. For a description of this vulnerability, see the ClamAV blog.
osv:CVE-2022-20796
Complete source record
{
"id": "72f18e4c30bf69cab024e7bfa1437833332f36e06987dc5d79a35d2ba278a122",
"url": "https://osv.dev/vulnerability/CVE-2022-20796",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2022-20796",
"summary": "On May 4, 2022, the following vulnerability in the ClamAV scanning library versions 0.103.5 and earlier and 0.104.2 and earlier was disclosed: A vulnerability in Clam AntiVirus (ClamAV) versions 0.103.4, 0.103.5, 0.104.1, and 0.104.2 could allow an authenticated, local attacker to cause a denial of service condition on an affected device. For a description of this vulnerability, see the ClamAV blog.",
"evidence": "osv:CVE-2022-20796",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2022-20796",
"aliases": [
"CVE-2022-20796"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/cisco-talos/clamav",
"type": "GIT",
"events": [
{
"introduced": "43973fceae9532bdd4715b570800e5406934adc7"
},
{
"last_affected": "fb828e93cab6b73818c1d94ffd05d92720a85c6f"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:clamav:clamav:0.103.4:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.103.4"
},
{
"last_affected": "0.103.4"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:clamav:clamav:0.103.5:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.103.5"
},
{
"last_affected": "0.103.5"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:clamav:clamav:0.104.1:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.104.1"
},
{
"last_affected": "0.104.1"
}
],
"source": "CPE_STRING"
},
{
"cpe": "cpe:2.3:a:clamav:clamav:0.104.2:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.104.2"
},
{
"last_affected": "0.104.2"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"0.103.4",
"0.103.5",
"0.104.1",
"0.104.2"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-20796.json"
}
}
],
"modified": "2026-10-24T10:30:24.409695697Z",
"provider": "osv",
"references": [
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7RV6BLIATIJE74SQ6NG5ZC4JK5MMDQ2R/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BX5ZXNHP4NFYQ5BFSKY3WT7NTBZUYG7L/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N4NNBIJVG6Z4PDIKUZXTYXICYUAYAZ56/",
"https://lists.debian.org/debian-lts-announce/2022/06/msg00004.html",
"https://security.gentoo.org/glsa/202310-01",
"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-dos-vL9x58p4"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:linux:*:*",
"cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:macos:*:*",
"cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:windows:*:*"
],
"vendor_product": "cisco:secure_endpoint",
"extracted_events": [
{
"range": [
{
"fixed": "1.16.3"
},
{
"fixed": "1.17.2"
},
{
"fixed": "7.5.5"
},
{
"introduced": "1.18.0"
},
{
"fixed": "1.18.2"
},
{
"introduced": "1.18.0"
},
{
"fixed": "1.18.2"
}
],
"source": "CPE_RANGE"
}
]
},
{
"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:34:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*"
],
"vendor_product": "fedoraproject:fedora",
"extracted_events": [
{
"range": [
{
"introduced": "34"
},
{
"last_affected": "34"
},
{
"introduced": "35"
},
{
"last_affected": "35"
},
{
"introduced": "36"
},
{
"last_affected": "36"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2022-20796",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 431147,
"published_at": "2022-05-04T17:15:08.797+00:00"
}