CVE-2021-1405
clamav - security update
7.5
HIGH
CVSS 3.1
EPSS 1.3%
Description
A vulnerability in the email parsing module in Clam AntiVirus (ClamAV) Software version 0.103.1 and all prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper variable initialization that may result in an NULL pointer read. An attacker could exploit this vulnerability by sending a crafted email to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process crash, resulting in a denial of service condition.
How to fix CVE-2021-1405
To remediate CVE-2021-1405, upgrade the affected package to a fixed version below.
- —upgrade to 0.103.2-r0 or later
- —upgrade to 0.103.2+dfsg-1 or later
- —upgrade to 0.102.4+dfsg-0+deb9u2 or later
Is CVE-2021-1405 being exploited?
Low — EPSS is 1.3%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 0.103.2-r0
- from 0, < 0.103.2+dfsg-1
- from 0, < 0.102.4+dfsg-0+deb9u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |