CVE-2020-37167

CVE-2020-37167

High · published February 13, 2026

CVSS v3.1
8.4
EPSS
0%
Percentile
8.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.4 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00194 · 8.6th percentile
Published
2026-02-13T04:16Z
References (4)
EPSS history
Timeline
  • 12 FEB 22:48Z
    ClamAV ClamBC < 0.103.0-rc - 'ClamBC' Executable Regular Expression Error
    cvelistv5