CVE-2019-15961

HIGH

ClamAV < 0.101.4 - Unauthenticated Denial of Service via MIME Parsing Routines

Title source: llm
STIX 2.1

Description

A vulnerability in the email parsing module Clam AntiVirus (ClamAV) Software versions 0.102.0, 0.101.4 and prior could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to inefficient MIME parsing routines that result in extremely long scan times of specially formatted email files. An attacker could exploit this vulnerability by sending a crafted email file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process to scan the crafted email file indefinitely, resulting in a denial of service condition.

References (5)

Core 5
Core References
Exploit, Issue Tracking, Vendor Advisory vendor-advisory x_refsource_cisco
https://bugzilla.clamav.net/show_bug.cgi?id=12380
Third Party Advisory vendor-advisory x_refsource_cisco
https://quickview.cloudapps.cisco.com/quickview/bug/CSCvr56010
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4230-2/
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/02/msg00016.html
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/202003-46

Scores

CVSS v3 7.5
EPSS 0.0221
EPSS Percentile 84.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-400 CWE-20
Status published
Products (7)
canonical/ubuntu_linux 12.04
canonical/ubuntu_linux 14.04
cisco/email_security_appliance_firmware 11.1.1-042
cisco/email_security_appliance_firmware 11.1.2-023
clamav/clamav 0.102.0
clamav/clamav < 0.101.4
debian/debian_linux 8.0
Published Jan 15, 2020
Tracked Since Feb 18, 2026