A vulnerability in the EGG archive parsing module in Clam AntiVirus (ClamAV) Software versions 0.102.0 - 0.102.3 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to a null pointer dereference. An attacker could exploit this vulnerability by sending a crafted EGG file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process crash, resulting in a denial of service condition.
https://usn.ubuntu.com/4435-2/
https://usn.ubuntu.com/4435-1/
https://security.gentoo.org/glsa/202007-23
https://lists.debian.org/debian-lts-announce/2020/08/msg00010.html
https://blog.clamav.net/2020/07/clamav-01024-security-patch-released.html