clamav — security advisory
A vulnerability in the ARJ archive parsing module in Clam AntiVirus (ClamAV) Software versions 0.102.2 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to a heap buffer overflow read. An attacker could exploit this vulnerability by sending a crafted ARJ file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process crash, resulting in a denial of service condition.
- Products
- clamav
- Affected versions
- Not specified
- Fixed versions
- 0.102.4+dfsg-1
- CVEs
- CVE-2020-3327
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 13:53 UTC · Revision 1
Source evidence
A vulnerability in the ARJ archive parsing module in Clam AntiVirus (ClamAV) Software versions 0.102.2 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to a heap buffer overflow read. An attacker could exploit this vulnerability by sending a crafted ARJ file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process crash, resulting in a denial of service condition.
osv:DEBIAN-CVE-2020-3327
clamav
Fixed versions: 0.102.4+dfsg-1
clamav
Fixed versions: 0.102.4+dfsg-1
clamav
Fixed versions: 0.102.4+dfsg-1
Complete source record
{
"id": "64cf44a14ecc87b8a4849b8682a09a2faa7a0df2caf4cb358f805838a0790fcb",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2020-3327",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2020-3327",
"summary": "A vulnerability in the ARJ archive parsing module in Clam AntiVirus (ClamAV) Software versions 0.102.2 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to a heap buffer overflow read. An attacker could exploit this vulnerability by sending a crafted ARJ file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process crash, resulting in a denial of service condition.",
"evidence": "osv:DEBIAN-CVE-2020-3327",
"products": [
{
"name": {
"value": "clamav",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.102.4+dfsg-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "clamav",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.102.4+dfsg-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "clamav",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.102.4+dfsg-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2020-3327",
"aliases": [
"DEBIAN-CVE-2020-3327"
],
"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": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.102.4+dfsg-1"
}
]
}
],
"package": {
"name": "clamav",
"purl": "pkg:deb/debian/clamav?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-3327.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.102.4+dfsg-1"
}
]
}
],
"package": {
"name": "clamav",
"purl": "pkg:deb/debian/clamav?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-3327.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.102.4+dfsg-1"
}
]
}
],
"package": {
"name": "clamav",
"purl": "pkg:deb/debian/clamav?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-3327.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T12:02:48.448735145Z",
"provider": "osv",
"upstream": [
"CVE-2020-3327"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2020-3327"
]
},
"related_cves": [
{
"value": "CVE-2020-3327",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 452976,
"published_at": "2020-05-13T03:15:11.14+00:00"
}