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clamav — security advisory

Type: advisorySources: OSVAdvisory ID: ALPINE-CVE-2022-20698

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

ALPINE-CVE-2022-20698

core-osv · Original source

Published 14 Jan 2022, 06:15 UTC

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"
}