Race condition in ClamAV - #VU141303
Published: August 7, 2026
Vulnerability identifier: #VU141303
CSH Severity: Low
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose process memory or cause a denial of service.
The vulnerability exists due to thread-safety issues in the clamd STATS command when scans and STATS requests run concurrently. A remote user can send concurrent STATS requests during scans to disclose process memory or cause a denial of service.
Affected software
ClamAV
Remediation
Install security update from vendor's website.
ClamAV - addressed in versions 1.4.6, 1.5.4