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OpenAdvisories

Product · Cisco

ClamAV

22 known vulnerabilities.

ClamAV at a glance

Last 12 months
0
Critical · all time
2
Exploited · all time
0
Public exploit · all time
1
New vulnerabilities per month · last 12 months
0 1 1 December 2025: 0 vulnerabilities Dec 2025 January 2026: 0 vulnerabilities February 2026: 0 vulnerabilities March 2026: 0 vulnerabilities Mar April 2026: 0 vulnerabilities May 2026: 0 vulnerabilities June 2026: 0 vulnerabilities Jun July 2026: 0 vulnerabilities August 2026: 0 vulnerabilities September 2026: 0 vulnerabilities Sep October 2026: 0 vulnerabilities November 2026: 0 vulnerabilities
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Latest advisories

  • Critical max 9.8
    VA-25-171-01 1 CVE

    ClamAV

    ClamAV is an open source antivirus maintained by Cisco. A heap-based buffer overflow vulnerability in the PDF scanning process of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service or possibly execute arbitrary code.

22 results · Feed

  • Critical 9.8
    CVE-2025-20260 Public exploit

    ClamAV PDF Scanning Buffer Overflow Vulnerability

    A vulnerability in the PDF scanning processes of ClamAV could allow an unauthenticated, remote attacker to cause a buffer overflow condition, cause a denial of service (DoS) condition, or execute arbitrary code on an affected device. This vulnerability exists…

  • Medium 6.1

    ClamAV Privilege Handling Escalation Vulnerability

    A vulnerability in the ClamD service module of Clam AntiVirus (ClamAV) versions 1.4.0, 1.3.2 and prior versions, all 1.2.x versions, 1.0.6 and prior versions, all 0.105.x versions, all 0.104.x versions, and 0.103.11 and all prior versions could allow an authe…

  • Medium 4.0

    ClamAV Memory Handling DoS

    A vulnerability in the PDF parsing module of Clam AntiVirus (ClamAV) versions 1.4.0, 1.3.2 and prior versions, all 1.2.x versions, 1.0.6 and prior versions, all 0.105.x versions, all 0.104.x versions, and 0.103.11 and all prior versions could allow an unauthe…

  • High 7.5

    ClamAV HTML Parser Denial of Service Vulnerability

    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 coul…

  • Medium 5.3
    CVE-2024-20328 EPSS 85%

    ClamAV VirusEvent File Processing Command Injection Vulnerability

    A vulnerability in the VirusEvent feature of ClamAV could allow a local attacker to inject arbitrary commands with the privileges of the application service account.The vulnerability is due to unsafe handling of file names. A local attacker could exploit this…

  • High 8.6

    ClamAV Double-free Vulnerability in the OLE2 File Parser

    A vulnerability in the OLE2 file parser of Clam AntiVirus (ClamAV) versions 0.104.0 through 0.104.2 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device.The vulnerability is due to incorrect use of the r…

  • High 7.5

    Clam AntiVirus (ClamAV) Denial of Service Vulnerability

    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 vulner…

  • High 7.5

    Clam AntiVirus (ClamAV) Email Parser Denial of Service Vulnerability

    A vulnerability in the PDF parsing module in Clam AntiVirus (ClamAV) Software versions 0.103.0 and 0.103.1 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper buffe…

  • High 7.5

    Clam AntiVirus (ClamAV) PDF Parser Denial of Service Vulnerability

    A vulnerability in the email parsing module in Clam AntiVirus (ClamAV) Software version 0.103.1 and all prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to im…

  • High 7.5

    Clam AntiVirus (ClamAV) Excel XLM Parser Denial of Service Vulnerability

    A vulnerability in the Excel XLM macro parsing module in Clam AntiVirus (ClamAV) Software versions 0.103.0 and 0.103.1 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to im…

  • High 7.5

    Clam AntiVirus (ClamAV) Software Null Pointer Dereference Vulnerability

    A vulnerability in the EGG archive parsing module in Clam AntiVirus (ClamAV) Software versions 0.102.0 - 0.102.3 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to a null p…

  • High 7.5

    ClamAV ARJ Archive Parsing Denial of Service Vulnerability

    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 over…

  • High 7.5

    ClamAV PDF Parsing Denial of Service Vulnerability

    A vulnerability in the PDF archive parsing module in Clam AntiVirus (ClamAV) Software versions 0.101 - 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 stack bu…

  • High 7.5

    A vulnerability in the Data-Loss-Prevention (DLP) module in Clam AntiVirus (ClamAV) Software versions 0.102.1 and 0.102…

  • High 7.5

    ClamAV Denial of Service Vulnerability

    ClamAV versions prior to 0.101.2 are susceptible to a denial of service (DoS) vulnerability. An out-of-bounds heap read condition may occur when scanning PE files. An example is Windows EXE and DLL files that have been packed using Aspack as a result of inade…

  • High 7.5

    ClamAV Zip Bomb Vulnerability

    ClamAV versions prior to 0.101.3 are susceptible to a zip bomb vulnerability where an unauthenticated attacker can cause a denial of service condition by sending crafted messages to an affected system.

  • High 7.5

    Clam AntiVirus PE File Out-of-Bounds Read Vulnerability

    A vulnerability in the Portable Executable (PE) file scanning functionality of Clam AntiVirus (ClamAV) Software versions 0.101.1 and prior could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulner…

  • High 7.5

    ClamAV OLE2 File Out-Of-Bounds Write Vulnerability

    A vulnerability in the Object Linking & Embedding (OLE2) file scanning functionality of Clam AntiVirus (ClamAV) Software versions 0.101.1 and prior could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. T…

  • High 7.5

    Clam AntiVirus PDF Denial of Service Vulnerability

    A vulnerability in the Portable Document Format (PDF) scanning functionality of Clam AntiVirus (ClamAV) Software versions 0.101.1 and prior could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The…

  • Critical 9.8

    Clam AntiVirus RAR Directory Traversal Vulnerability

    A vulnerability in the RAR file scanning functionality of Clam AntiVirus (ClamAV) Software versions 0.101.1 and 0.101.0 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to a…

  • High 7.5

    Clam AntiVirus PDF Out-of-Bounds Read Vulnerability

    A vulnerability in the Portable Document Format (PDF) scanning functionality of Clam AntiVirus (ClamAV) Software versions 0.101.1 and 0.101.0 could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. T…

  • Unscored —

    Clam AntiVirus unmew11() Denial of Service Vulnerability

    A vulnerability in ClamAV versions prior to 0.100.2 could allow an attacker to cause a denial of service (DoS) condition. The vulnerability is due to an error related to the MEW unpacker within the "unmew11()" function (libclamav/mew.c), which can be exploite…