UpHeron
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Servers and applications

CVE-2025-20260

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…

Severity
Critical 9.8
Published
18 Jun 2025
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
1.0.9, 1.4.3
Sources
NVD

Affected software

SoftwareAffected versions
ClamAVServers and applications · cpe:a:clamav:clamav
  • Every version before 1.0.9
  • From 1.2.0 before 1.4.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-20260
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-20260