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CVE-2022-20771

Published: 4 May 2022

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 the TIFF 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.

Priority

Low

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
clamav
Launchpad, Ubuntu, Debian
bionic
Released (0.103.6+dfsg-0ubuntu0.18.04.1)
focal
Released (0.103.6+dfsg-0ubuntu0.20.04.1)
impish
Released (0.103.6+dfsg-0ubuntu0.21.10.1)
jammy
Released (0.103.6+dfsg-0ubuntu0.22.04.1)
kinetic
Released (0.103.6+dfsg-1ubuntu1)
trusty
Released (0.103.6+dfsg-0ubuntu0.14.04.1+esm1)
upstream
Released (0.103.6,0.104.3,0.105.0)
xenial
Released (0.103.6+dfsg-0ubuntu0.16.04.1+esm1)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H