CVE-2021-1404

Name of the Vulnerable Software and Affected Versions ClamAV versions 0.103.0 and 0.103.1 ClamAV versions prior to 0.103.2

Description The issue exists due to insufficient input validation in the PDF parsing module of ClamAV, allowing a remote attacker to cause a denial of service condition. This can be achieved by sending a crafted PDF file to an affected device, potentially causing the ClamAV scanning process to crash. The vulnerability is also due to improper buffer size tracking, which may result in a heap buffer over-read.

Recommendations For ClamAV versions 0.103.0 and 0.103.1, update to a version that includes the fix for this issue. For ClamAV versions prior to 0.103.2, update to version 0.103.2 or later to resolve the issue. As a temporary workaround, consider restricting access to the PDF parsing module until a patch is available.