vulnerability
Ubuntu: (Multiple Advisories) (CVE-2021-1404): ClamAV vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | Apr 8, 2021 | Apr 20, 2021 | Apr 16, 2026 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Apr 8, 2021
Added
Apr 20, 2021
Modified
Apr 16, 2026
Description
A vulnerability in the PDF parsing module in Clam AntiVirus (ClamAV) Software versions 0.103.0 and 0.103.1 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper buffer size tracking that may result in a heap buffer over-read. An attacker could exploit this vulnerability by sending a crafted PDF file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process to crash, resulting in a denial of service condition.
Solutions
ubuntu-pro-upgrade-clamavubuntu-upgrade-clamav
Rapid7 Labs
2026 Global Threat Landscape Report
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