Vulnerability in Clamav Clambc
CVE-2020-37167
ClamAV versions prior to 0.103.0-rc contain a vulnerability in function name processing through the ClamBC bytecode interpreter that allows attackers to manipulate bytecode function names. Attackers can exploit the weak input validation in function name encoding to potentially execute malicious bytecode or cause unexpected behavior in the ClamAV engine.
EPSS: 0.002 (6.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Clamav Clambc — versions 0
References
- disclosure@vulncheck.com (exploit)
- disclosure@vulncheck.com (patch)
- disclosure@vulncheck.com (product)
- disclosure@vulncheck.com (third-party-advisory)
Frequently asked questions
- What is CVE-2020-37167?
- CVE-2020-37167 is a high-severity vulnerability in Clamav Clambc. CVSS score: 8.4/10. Published 2026-02-12.
- How severe is CVE-2020-37167?
- High severity. CVSS v3 base score is 8.4 out of 10.