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CVE-2020-37167

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CVE-2020-37167

Published: Feb 12, 2026

Modified: Apr 7, 2026

PUBLISHED

CVSS v3.1

8.4

HIGH

Description

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.

VendorProductVersions

ClamAV

ClamBC

unaffected
0 - < 0.103.0-rc

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

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