Memory leak in ClamAV - #VU141305
Published: August 7, 2026
Vulnerability identifier: #VU141305
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to resource leak in legacy hashing helpers when fetching a requested message digest. A local user can trigger a digest fetch failure to cause a denial of service.
The issue occurs when the default provider is unavailable in a FIPS-enabled environment.
Affected software
ClamAV
Remediation
Install security update from vendor's website.
ClamAV - update to 1.5.4