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Sicherheitslücken in clamav

In den letzten 30 Tagen veröffentlichte Sicherheitslücken für clamav: 0. Davon im KEV-Katalog: 0.

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Sicherheitslücken: 19

  1. CVE-2026-20348

    Hoch · CVSS 7.5EPSS 0,72%Keine Korrektur veröffentlicht

    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.

    Veröffentlicht Aktualisiert
  2. CVE-2026-20345

    Hoch · CVSS 7.5EPSS 0,56%Keine Korrektur veröffentlicht

    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.

    Veröffentlicht Aktualisiert
  3. CVE-2026-20339

    Hoch · CVSS 7.5EPSS 0,56%Keine Korrektur veröffentlicht

    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

    Veröffentlicht Aktualisiert
  4. CVE-2026-20347

    Hoch · CVSS 7.5EPSS 0,56%Keine Korrektur veröffentlicht

    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

    Veröffentlicht Aktualisiert
  5. CVE-2026-20346

    Hoch · CVSS 7.5EPSS 0,54%Keine Korrektur veröffentlicht

    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.

    Veröffentlicht Aktualisiert
  6. CVE-2026-20338

    Hoch · CVSS 7.5EPSS 0,56%Keine Korrektur veröffentlicht

    ClamAV ZIP File Format Processing Memory Corruption Vulnerability

    A vulnerability in the zip archive parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due to improper memory handling when processing content in zip files during scanning. An attacker could exploit this vulnerability by submitting a crafted zip file for scanning. A successful exploit could allow the attacker to cause the ClamAV scanning process to terminate as a result of a memory double-free, resulting in a DoS condition on the affected software.

    Veröffentlicht Aktualisiert
  7. CVE-2026-20337

    Hoch · CVSS 7.5EPSS 0,6%Keine Korrektur veröffentlicht

    ClamAV ZIP File Format Processing Memory Corruption Vulnerability

    A vulnerability in the zip archive parser of ClamAV could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device. This vulnerability is due to improper boundary checks for content in zip files during scanning, which may result in an out-of-bounds write condition. An attacker could exploit this vulnerability by submitting a crafted zip file for scanning. A successful exploit could allow the attacker to cause the ClamAV scanning process to terminate, resulting in a DoS condition on the affected software.

    Veröffentlicht Aktualisiert
  8. CVE-2026-20243

    Hoch · CVSS 7.5EPSS 0,57%Keine Korrektur veröffentlicht

    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

    Veröffentlicht Aktualisiert
  9. CVE-2026-20244

    Hoch · CVSS 7.5EPSS 0,57%Keine Korrektur veröffentlicht

    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

    Veröffentlicht Aktualisiert
  10. CVE-2026-20215

    Hoch · CVSS 7.5EPSS 0,57%Keine Korrektur veröffentlicht

    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

    Veröffentlicht Aktualisiert
  11. CVE-2026-20217

    Hoch · CVSS 7.5EPSS 0,57%Keine Korrektur veröffentlicht

    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

    Veröffentlicht Aktualisiert
  12. CVE-2026-20216

    Hoch · CVSS 7.5EPSS 0,57%Keine Korrektur veröffentlicht

    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.

    Veröffentlicht Aktualisiert
  13. CVE-2026-20213

    Hoch · CVSS 7.5EPSS 0,57%Keine Korrektur veröffentlicht

    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

    Veröffentlicht Aktualisiert
  14. CVE-2026-20214

    Hoch · CVSS 7.5EPSS 0,57%Keine Korrektur veröffentlicht

    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

    Veröffentlicht Aktualisiert
  15. CVE-2026-20031

    Mittel · CVSS 5.3EPSS 0,44%Keine Korrektur veröffentlicht

    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.

    Veröffentlicht Aktualisiert
  16. CVE-2025-20260

    Kritisch · CVSS 9.8EPSS 1,63%Keine Korrektur veröffentlicht

    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

    Veröffentlicht Aktualisiert
  17. CVE-2024-20506

    Mittel · CVSS 6.1EPSS 0,32%Korrektur verfügbar

    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

    • Auf 0.103.12+dfsg-0ubuntu0.18.04.1+esm1 aktualisieren
    Veröffentlicht Aktualisiert
  18. CVE-2024-20505

    Mittel · CVSS 4EPSS 0,56%Korrektur verfügbar

    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.

    • Auf 0.103.12+dfsg-0ubuntu0.18.04.1+esm1 aktualisieren
    Veröffentlicht Aktualisiert
  19. CVE-2023-20197

    Hoch · CVSS 7.5EPSS 1,17%Korrektur verfügbar

    CVE-2023-20197

    A vulnerability in the filesystem image parser for Hierarchical File System Plus (HFS+) 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 incorrect check for completion when a file is decompressed, which may result in a loop condition that could cause the affected software to stop responding. An attacker could exploit this vulnerability by submitting a crafted HFS+ filesystem image to be scanned by ClamAV on an affected device. A successful exploit could allow the attacker to cause the ClamAV scanning process to stop responding, resu

    • Auf 0.103.9+dfsg-0ubuntu0.18.04.1+esm1 aktualisieren
    Veröffentlicht Aktualisiert

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