CVE-2022-20698
mediumpriority · track · 31EPSS 0.031 · 88 %ileDEEURUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (22)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2022-0772ClamAV: Schwachstelle ermöglicht Denial of ServiceDeutsch2022-01-13csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in ClamAV ausnutzen, um einen Denial of Service Angriff durchzuführen.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (16)
External citations — patches, advisories, analysis.
- https://blog.clamav.net/2022/01/clamav-01035-and-01042-security-patch.htmlcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2022-20698cnnvd
- https://packetstormsecurity.com/files/165562/Clam-AntiVirus-Toolkit-0.104.2.htmlcnnvd
- https://packetstormsecurity.com/files/165597/Ubuntu-Security-Notice-USN-5233-1.htmlcnnvd
- https://packetstormsecurity.com/files/165616/Ubuntu-Security-Notice-USN-5233-2.htmlcnnvd
- https://security.gentoo.org/glsa/202310-01cnnvd
- https://vigilance.fr/vulnerability/ClamAV-denial-of-service-via-libjson-c-CL-SCAN-GENERAL-COLLECT-METADATA-37238cnnvd
- https://www.auscert.org.au/bulletins/ESB-2022.0300cnnvd
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