CVE-2022-20770

HIGH

ClamAV < 0.103.5 and 0.104.0-0.104.2 - Unauthenticated Denial of Service in CHM File Parser

Title source: llm
STIX 2.1

Description

On April 20, 2022, the following vulnerability in the ClamAV scanning library versions 0.103.5 and earlier and 0.104.2 and earlier was disclosed: A vulnerability in CHM file parser of Clam AntiVirus (ClamAV) versions 0.104.0 through 0.104.2 and LTS version 0.103.5 and prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. For a description of this vulnerability, see the ClamAV blog. This advisory will be updated as additional information becomes available.

References (6)

Core 6
Core References
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2022/06/msg00004.html
Third Party Advisory vendor-advisory
https://security.gentoo.org/glsa/202310-01

Scores

CVSS v3 8.6
EPSS 0.0086
EPSS Percentile 75.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-399
Status published
Products (9)
cisco/secure_endpoint < 1.16.3
cisco/secure_endpoint < 1.17.2
cisco/secure_endpoint < 7.5.5
clamav/clamav < 0.103.5
clamav/clamav 0.104.0 - 0.104.2
debian/debian_linux 9.0
fedoraproject/fedora 34
fedoraproject/fedora 35
fedoraproject/fedora 36
Published May 04, 2022
Tracked Since Feb 18, 2026