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Vulnerabilidades de clamav

Vulnerabilidades publicadas para clamav en los últimos 30 días: 0. Incluidas en el catálogo KEV: 0.

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Vulnerabilidades: 169

  1. CVE-2026-20348

    Alta · CVSS 7.5EPSS 0,62%Corrección disponible

    ClamAV XAR File Format Processing Memory Corruption Vulnerability

    A vulnerability in the XAR file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition or possibly other expanded impacts as a result of memory corruption on an affected device. This vulnerability is due to improper boundary checks for content in XAR files during scanning. An attacker could exploit this vulnerability by submitting a crafted file that contains XAR 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 affected software.

    clamavSistemas operativos
    • Actualiza a 1.4.6+dfsg-1
    Publicación Actualización
    Aviso original 1 ↗Aviso original 2 ↗

  2. CVE-2026-20345

    Alta · CVSS 7.5EPSS 0,46%Corrección disponible

    ClamAV GPT File Format Processing Memory Corruption Vulnerability

    A vulnerability in the GPT file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition or possibly other expanded impacts as a result of memory corruption on an affected device. This vulnerability is due to improper handling of an endian conversion operation, which may result in an out-of-bounds buffer write. An attacker could exploit this vulnerability by submitting a crafted GPT file 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 affected software.

    clamavSistemas operativos
    • Actualiza a 1.4.6+dfsg-1
    Publicación Actualización
    Aviso original 1 ↗Aviso original 2 ↗

  3. CVE-2026-20339

    Alta · CVSS 7.5EPSS 0,46%Corrección disponible

    ClamAV PESpin File Format Processing Integer Overflow 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 as a result of 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 integer overflow. 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 condition on

    clamavSistemas operativos
    • Actualiza a 1.4.6+dfsg-1
    Publicación Actualización
    Aviso original 1 ↗Aviso original 2 ↗

  4. CVE-2026-20347

    Alta · CVSS 7.5EPSS 0,46%Corrección disponible

    ClamAV Mach-O File Format Processing Memory Corruption Vulnerability

    A vulnerability in the Mach-O file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition or possibly other expanded impacts as a result of memory corruption on an affected device. This vulnerability is due to improper boundary checks for content in Mach-O files during scanning, which may result in an out-of-bounds buffer read. An attacker could exploit this vulnerability by submitting a crafted Mach-O file 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 affected

    clamavSistemas operativos
    • Actualiza a 1.4.6+dfsg-1
    Publicación Actualización
    Aviso original 1 ↗Aviso original 2 ↗

  5. CVE-2026-20346

    Alta · CVSS 7.5EPSS 0,45%Corrección disponible

    ClamAV PDF File Format Processing Memory Corruption Vulnerability

    A vulnerability in the PDF file format parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition or possibly other expanded impacts as a result of memory corruption on an affected device. This vulnerability is due to improper boundary checks for content in PDF files during scanning, which may result in an out-of-bounds buffer read. 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 cause the ClamAV scanning process to terminate, resulting in a DoS condition on the affected software.

    clamavSistemas operativos
    • Actualiza a 1.4.6+dfsg-1
    Publicación Actualización
    Aviso original 1 ↗Aviso original 2 ↗

  6. CVE-2026-20243

    Alta · CVSS 7.5EPSS 0,57%Corrección disponible

    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

    clamavSistemas operativos
    • Actualiza a 1.4.5+dfsg-1
    Publicación Actualización
    Aviso original 1 ↗Aviso original 2 ↗

  7. CVE-2026-20244

    Alta · CVSS 7.5EPSS 0,57%Corrección disponible

    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

    clamavSistemas operativos
    • Actualiza a 1.4.5+dfsg-1
    Publicación Actualización
    Aviso original 1 ↗Aviso original 2 ↗

  8. CVE-2026-20215

    Alta · CVSS 7.5EPSS 0,57%Corrección disponible

    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

    clamavSistemas operativos
    • Actualiza a 1.4.5+dfsg-1
    Publicación Actualización
    Aviso original 1 ↗Aviso original 2 ↗

  9. CVE-2026-20217

    Alta · CVSS 7.5EPSS 0,57%Corrección disponible

    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

    clamavSistemas operativos
    • Actualiza a 1.4.5+dfsg-1
    Publicación Actualización
    Aviso original 1 ↗Aviso original 2 ↗

  10. CVE-2026-20216

    Alta · CVSS 7.5EPSS 0,57%Corrección disponible

    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.

    clamavSistemas operativos
    • Actualiza a 1.4.5+dfsg-1
    Publicación Actualización
    Aviso original 1 ↗Aviso original 2 ↗

  11. CVE-2026-20213

    Alta · CVSS 7.5EPSS 0,57%Corrección disponible

    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

    clamavSistemas operativos
    • Actualiza a 1.4.5+dfsg-1
    Publicación Actualización
    Aviso original 1 ↗Aviso original 2 ↗

  12. CVE-2026-20214

    Alta · CVSS 7.5EPSS 0,57%Corrección disponible

    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

    clamavSistemas operativos
    • Actualiza a 1.4.5+dfsg-1
    Publicación Actualización
    Aviso original 1 ↗Aviso original 2 ↗

  13. CVE-2026-20031

    Media · CVSS 5.3EPSS 0,44%Corrección disponible

    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.

    clamavSistemas operativos
    • Actualiza a 1.4.4+dfsg-1
    Publicación Actualización
    Aviso original 1 ↗Aviso original 2 ↗

  14. CVE-2020-37167

    Alta · CVSS 8.6EPSS 0,19%Corrección disponible

    ClamAV ClamBC < 0.103.0-rc - 'ClamBC' Executable Regular Expression Error

    ClamAV versions prior to 0.103.0-rc contain a vulnerability in function name processing through the ClamBC bytecode interpreter that allows attackers to manipulate bytecode function names. Attackers can exploit the weak input validation in function name encoding to potentially execute malicious bytecode or cause unexpected behavior in the ClamAV engine.

    clamavSistemas operativos
    • Actualiza a 0.103.0+dfsg-1
    Publicación Actualización
    Aviso original 1 ↗Aviso original 2 ↗Aviso original 3 ↗

  15. CVE-2025-20260

    Crítica · CVSS 9.8EPSS 1,63%Corrección disponible

    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

    clamavSistemas operativos
    • Actualiza a 1.4.3+dfsg-1
    Publicación Actualización
    Aviso original 1 ↗Aviso original 2 ↗Aviso original 3 ↗

  16. CVE-2025-20234

    Media · CVSS 5.3EPSS 0,82%Corrección disponible

    ClamAV UDF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

    A vulnerability in Universal Disk Format (UDF) processing 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 a memory overread during UDF file scanning. An attacker could exploit this vulnerability by submitting a crafted file containing UDF content to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to terminate the ClamAV scanning process, resulting in a DoS condition on the affected software. For a description of this vulnerability, see the .

    clamavSistemas operativos
    • Actualiza a 1.4.3+dfsg-1
    Publicación Actualización
    Aviso original 1 ↗Aviso original 2 ↗Aviso original 3 ↗

  17. CVE-2025-20128

    Media · CVSS 5.3EPSS 1,57%Corrección disponible

    ClamAV OLE2 File Format Decryption Denial of Service Vulnerability

    A vulnerability in the Object Linking and Embedding 2 (OLE2) decryption routine 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 an integer underflow in a bounds check that allows for a heap buffer overflow read. An attacker could exploit this vulnerability by submitting a crafted file containing OLE2 content to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to terminate the ClamAV scanning process, resulting in a DoS condition on the affected software. For a description of this vulnerability

    clamavSistemas operativos
    • Actualiza a 1.4.2+dfsg-1
    Publicación Actualización
    Aviso original 1 ↗Aviso original 2 ↗Aviso original 3 ↗

  18. CVE-2024-20506

    Media · CVSS 6.1EPSS 0,32%Corrección disponible

    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 authenticated, local attacker to corrupt critical system files. The vulnerability is due to allowing the ClamD process to write to its log file while privileged without checking if the logfile has been replaced with a symbolic link. An attacker could exploit this vulnerability if they replace the ClamD log file with a symlink to a critical system file and then find a way to restart the Clam

    clamavSistemas operativos
    • Actualiza a 1.4.1+dfsg-1
    Publicación Actualización
    Aviso original 1 ↗Aviso original 2 ↗Aviso original 3 ↗

  19. CVE-2024-20505

    Media · CVSS 4EPSS 0,56%Corrección disponible

    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 unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to an out of bounds read. An attacker could exploit this vulnerability by submitting a crafted PDF file to be scanned by ClamAV on an affected device. An exploit could allow the attacker to terminate the scanning process.

    clamavSistemas operativos
    • Actualiza a 1.4.1+dfsg-1
    Publicación Actualización
    Aviso original 1 ↗Aviso original 2 ↗Aviso original 3 ↗

  20. CVE-2024-20328

    Media · CVSS 5.3EPSS 84,84%Corrección disponible

    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 vulnerability by supplying a file name containing command-line sequences. When processed on a system using configuration options for the VirusEvent feature, the attacker could cause the application to execute arbitrary commands. ClamAV has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

    clamavSistemas operativos
    • Actualiza a 1.0.5+dfsg-1
    Publicación Actualización
    Aviso original 1 ↗Aviso original 2 ↗Aviso original 3 ↗

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