clamav — security advisory
A vulnerability in the OOXML parsing module in Clam AntiVirus (ClamAV) Software version 0.104.1 and LTS version 0.103.4 and prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper checks that may result in an invalid pointer read. An attacker could exploit this vulnerability by sending a crafted OOXML file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process to crash, resulting in a denial of service condition.
- Products
- clamav
- Affected versions
- Not specified
- Fixed versions
- 0.103.6-r0
- CVEs
- CVE-2022-20698
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 14:09 UTC · Revision 1
Source evidence
A vulnerability in the OOXML parsing module in Clam AntiVirus (ClamAV) Software version 0.104.1 and LTS version 0.103.4 and prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper checks that may result in an invalid pointer read. An attacker could exploit this vulnerability by sending a crafted OOXML file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process to crash, resulting in a denial of service condition.
osv:ALPINE-CVE-2022-20698
clamav
Fixed versions: 0.103.6-r0
clamav
Fixed versions: 0.103.6-r0
Complete source record
{
"id": "a7457b55689d81225ea6a328e82dc7cf1aad1400e641d54f8c671e60708dc984",
"url": "https://osv.dev/vulnerability/ALPINE-CVE-2022-20698",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "ALPINE-CVE-2022-20698",
"summary": "A vulnerability in the OOXML parsing module in Clam AntiVirus (ClamAV) Software version 0.104.1 and LTS version 0.103.4 and prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper checks that may result in an invalid pointer read. An attacker could exploit this vulnerability by sending a crafted OOXML file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process to crash, resulting in a denial of service condition.",
"evidence": "osv:ALPINE-CVE-2022-20698",
"products": [
{
"name": {
"value": "clamav",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.103.6-r0",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "clamav",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.103.6-r0",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "ALPINE-CVE-2022-20698",
"aliases": [
"ALPINE-CVE-2022-20698"
],
"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": "0.104.0"
},
{
"fixed": "0.103.6-r0"
}
]
}
],
"package": {
"name": "clamav",
"purl": "pkg:apk/alpine/clamav?arch=source",
"ecosystem": "Alpine:v3.12"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2022-20698.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0.104.0"
},
{
"fixed": "0.103.6-r0"
}
]
}
],
"package": {
"name": "clamav",
"purl": "pkg:apk/alpine/clamav?arch=source",
"ecosystem": "Alpine:v3.13"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2022-20698.json"
},
"ecosystem_specific": {}
}
],
"modified": "2026-10-15T07:17:54.156673756Z",
"provider": "osv",
"upstream": [
"CVE-2022-20698"
],
"references": [
"https://security.alpinelinux.org/vuln/CVE-2022-20698"
]
},
"related_cves": [
{
"value": "CVE-2022-20698",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 321655,
"published_at": "2022-01-14T06:15:09.57+00:00"
}