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clamav vulnerabilities

Vulnerabilities published for clamav in the last 30 days: 0. Listed in the KEV catalogue: 0.

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Vulnerabilities: 9

  1. CVE-2026-20243

    High · CVSS 7.5EPSS 0.57%No fix published

    ClamAV ALZ Archive Processing Denial of Service Vulnerability

    A vulnerability in the ALZ file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition, or possibly other expanded impacts, resulting from memory corruption on an affected device. This vulnerability is due to improper boundary checks for content in ALZ files during scanning, which may result in an out-of-bounds buffer write. An attacker could exploit this vulnerability by submitting a crafted file that contains ALZ content to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to cause the ClamAV scanning process to terminate, resulting in a DoS condition on th

    Published Updated
  2. CVE-2026-20244

    High · CVSS 7.5EPSS 0.57%No fix published

    ClamAV DMG File Processing Denial of Service Vulnerability

    A vulnerability in the DMG file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition, or possibly other expanded impacts, resulting from memory corruption on an affected device. This vulnerability is due to improper boundary checks for content in DMG files during scanning, which may result in an integer overflow on 32-bit platforms only. An attacker could exploit this vulnerability by submitting a crafted file that contains DMG content to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to cause the ClamAV scanning process to terminate, resulting in a DoS

    Published Updated
  3. CVE-2026-20215

    High · CVSS 7.5EPSS 0.57%No fix published

    ClamAV 7Zip File Format Processing Out-of-Bounds Memory Corruption Vulnerability

    A vulnerability in the 7z file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition, or possibly other expanded impacts, resulting from memory corruption on an affected device. This vulnerability is due to improper boundary checks for content in 7z files during scanning, which may result in an out-of-bounds buffer write. An attacker could exploit this vulnerability by submitting a crafted file that contains 7z content to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to cause the ClamAV scanning process to terminate, resulting in a DoS condition on

    Published Updated
  4. CVE-2026-20217

    High · CVSS 7.5EPSS 0.57%No fix published

    ClamAV PESpin File Format Processing Out-of-Bounds Memory Corruption Vulnerability

    A vulnerability in the PESpin file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition, or possibly other expanded impacts, resulting from memory corruption on an affected device. This vulnerability is due to improper boundary checks for content in PESpin files during scanning, which may result in an out-of-bounds buffer write. An attacker could exploit this vulnerability by submitting a crafted file that contains PESpin content to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to cause the ClamAV scanning process to terminate, resulting in a DoS condit

    Published Updated
  5. CVE-2026-20216

    High · CVSS 7.5EPSS 0.57%No fix published

    ClamAV InstallShield File Format Processing Resource Exhaustion Vulnerability

    A vulnerability in the InstallShield file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due to improper handling of temporary resources during file scanning. An attacker could exploit this vulnerability by submitting a crafted InstallShield file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to terminate the ClamAV scanning process and temporarily consume available system resources, resulting in a DoS condition on the affected software.

    Published Updated
  6. CVE-2026-20213

    High · CVSS 7.5EPSS 0.57%No fix published

    ClamAV PE File Format Processing Out-of-Bounds Memory Corruption Vulnerability

    A vulnerability in the PE file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition, or possibly other expanded impacts, resulting from memory corruption on an affected device. This vulnerability is due to improper boundary checks for content in PE files during scanning, which may result in an out-of-bounds buffer write. An attacker could exploit this vulnerability by submitting a crafted file that contains PE content to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to cause the ClamAV scanning process to terminate, resulting in a DoS condition on the a

    Published Updated
  7. CVE-2026-20214

    High · CVSS 7.5EPSS 0.57%No fix published

    ClamAV FSG File Format Processing Out-of-Bounds Memory Corruption Vulnerability

    A vulnerability in the FSG file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition, or possibly other expanded impacts, resulting from memory corruption on an affected device. This vulnerability is due to improper boundary checks for content in FSG files during scanning, which may result in an out-of-bounds buffer write. An attacker could exploit this vulnerability by submitting a crafted file that contains portable executable content compressed with FSG to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to cause the ClamAV scanning process to terminate

    Published Updated
  8. CVE-2026-20031

    Medium · CVSS 5.3EPSS 0.44%Fix available

    ClamAV CSS Image Parsing Error Handling Denial of Service Vulnerability

    A vulnerability in the HTML Cascading Style Sheets (CSS) module of ClamAV could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper error handling when splitting UTF-8 strings. An attacker could exploit this vulnerability by submitting a crafted HTML file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to terminate the scanning process.

    • Update to 1.4.4+dfsg-0ubuntu0.25.10.1
    Published Updated
  9. CVE-2025-20260

    Critical · CVSS 9.8EPSS 1.63%Fix available

    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 because memory buffers are allocated incorrectly when PDF files are processed. An attacker could exploit this vulnerability by submitting a crafted PDF file to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to trigger a buffer overflow, likely resulting in the termination of the ClamAV scanning process and a DoS condition on the affected soft

    • Update to 1.4.3+dfsg-0ubuntu1
    Published Updated

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