UpHeron
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Servers and applications

CVE-2025-20234

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…

Severity
High 7.5
Published
18 Jun 2025
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
1.4.3
Sources
NVD

Affected software

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

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-20234
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-20234