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CVE-2017-12379

CRITICAL

ClamAV AntiVirus software versions 0.99.2 and prior contain a vulnerability that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition or potentially execute arbitrary code on an affected device. The vulnerability is due to improper input validation checking mechanisms in the message parsing function on an affected system. An unauthenticated, remote attacker could exploit this vulnerability by sending a crafted email to the affected device. This action could cause a messageAddArgument (in message.c) buffer overflow condition when ClamAV scans the malicious email, allowing the attacker to potentially cause a DoS condition or execute arbitrary code on an affected device.

Published: Jan 26, 2018 Modified: Jun 17, 2026
CWE-119

CVSS Metrics

CVSSv3
Attack Vector: NETWORK Attack Complexity: LOW Privileges Required: NONE User Interaction: NONE Scope: UNCHANGED Confidentiality Impact: HIGH Integrity Impact: HIGH Availability Impact: HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products (2)

Vendor Product Version
debian debian_linux 7.0
clamav clamav *

GitHub Security Advisory GHSA-86rp-jrj2-9vgj

ClamAV AntiVirus software versions 0.99.2 and prior contain a vulnerability that could allow an...

Risk Scores

CVSS Score 9.8 / 10
EPSS Score 12.55%

Top 4% most likely to be exploited

Threat Score 43 / 100

Data Sources

NVD EPSS GitHub