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Vulnerability record · CVE-2024-20380 · published 18 April 2024

CVE-2024-20380: Clamav vulnerability

Clamav · Clamav

A vulnerability in the HTML parser of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to an issue in the C to Rust foreign function interface. An attacker could exploit this vulnerability by submitting a crafted file containing HTML content to be scanned by ClamAV on an affected device. An exploit could allow the attacker to cause the ClamAV scanning process to terminate, resulting in a DoS condition on the affected software.

7.5 CVSS 3.1 High EPSS 1.1% · top 35.3% CWE-475 · CWE-475
7.5CVSS 3.1 base score
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A vulnerability in the HTML parser of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to an issue in the C to Rust foreign function interface. An attacker could exploit this vulnerability by submitting a crafted file containing HTML content to be scanned by ClamAV on an affected device. An exploit could allow the attacker to cause the ClamAV scanning process to terminate, resulting in a DoS condition on the affected software.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://blog.clamav.net/2024/04/clamav-131-123-106-patch-versions.html Vendor Advisory
https://blog.clamav.net/2024/04/clamav-131-123-106-patch-versions.html Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2010-0098Clamav vulnerabilityClamAV before 0.96 does not properly handle the (1) CAB and (2) 7z file formats, which allows remote attackers to bypass virus detection via a crafte…EPSS 4.9%10.0CVE-2009-1372Clamav memory buffer overflow vulnerabilityStack-based buffer overflow in the cli_url_canon function in libclamav/phishcheck.c in ClamAV before 0.95.1 allows remote attackers to cause a denial…EPSS 7.6%10.0CVE-2008-3914Clamav information exposure vulnerabilityMultiple unspecified vulnerabilities in ClamAV before 0.94 have unknown impact and attack vectors related to file descriptor leaks on the "error path…EPSS 3.6%10.0CVE-2008-0728Clamav vulnerabilityThe unmew11 function in libclamav/mew.c in libclamav in ClamAV before 0.92.1 has unknown impact and attack vectors that trigger "heap corruption."EPSS 2.8%10.0CVE-2006-1615Clamav vulnerabilityMultiple format string vulnerabilities in the logging code in Clam AntiVirus (ClamAV) before 0.88.1 might allow remote attackers to execute arbitrary…EPSS 12%9.8CVE-2025-20260Clamav heap-based buffer overflow vulnerabilityA vulnerability in the PDF scanning processes of ClamAV could allow an unauthenticated, remote attacker to cause a buffer overflow condition, cause a…EPSS 1.6%9.8CVE-2023-20032Cisco secure endpoint classic buffer overflow vulnerabilityOn Feb 15, 2023, the following vulnerability in the ClamAV scanning library was disclosed: A vulnerability in the HFS+ partition file parser of ClamA…EPSS 29%9.8CVE-2013-7088Clamav classic buffer overflow vulnerabilityClamAV before 0.97.7 has buffer overflow in the libclamav componentEPSS 3.1%

Source: NIST National Vulnerability Database (record CVE-2024-20380), CISA KEV, FIRST EPSS (scores of 2026-10-07). This page is refreshed as NVD updates the record.