CVE-2022-20792

HIGH
7.8
CVSS Score
Published: August 10, 2022 at 08:25 AM UTC
Updated: June 17, 2026 at 04:25 AM UTC
1 product affected across 1 vendorClamAV

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Severity
HIGH7.8
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

A vulnerability in the regex module used by the signature database load module of Clam AntiVirus (ClamAV) versions 0.104.0 through 0.104.2 and LTS version 0.103.5 and prior versions could allow an authenticated, local attacker to crash ClamAV at database load time, and possibly gain code execution. The vulnerability is due to improper bounds checking that may result in a multi-byte heap buffer overwflow write. An attacker could exploit this vulnerability by placing a crafted CDB ClamAV signature database file in the ClamAV database directory. An exploit could allow the attacker to run code as the clamav user.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≥ 0.104.0v ≤ 0.103.5v ≤ 0.104.20.104.0 ≤ v ≤ 0.104.20.104.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHcisco
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125CWE-787

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