cvedb.io
CVE-2025-20260
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2025-06-18T18:15:23.270 · Last modified 2026-06-17T08:41:12.960

Summary

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 software. Although unproven, there is also a possibility that an attacker could leverage the buffer overflow to execute arbitrary code with the privileges

Affected products

clamav — clamav

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.