ClamAV 0.102.3 is a bug patch release to address the following issues.

• CVE-2020-3327: Fix a vulnerability in the ARJ archive parsing module in ClamAV 0.102.2 that could cause a Denial-of-Service (DoS) condition. Improper bounds checking of an unsigned variable results in an out-of-bounds read which causes a crash. Special thanks to Daehui Chang and Fady Othman for helping identify the ARJ parsing vulnerability.
• CVE-2020-3341: Fix a vulnerability in the PDF parsing module in ClamAV 0.101 - 0.102.2 that could cause a Denial-of-Service (DoS) condition. Improper size checking of a buffer used to initialize AES decryption routines results in an out-of-bounds read which may cause a crash. Bug found by OSS-Fuzz.
• Fix "Attempt to allocate 0 bytes" error when parsing some PDF documents.
• Fix a couple of minor memory leaks.

• Add upstream patch to fix "Attempt to allocate 0 bytes" errors while scanning certain PDFs
• Do not log freshclam output to syslog by default - creates double entries in the journal (bz#1822012)
• (#1820069) add try-restart clamav-freshclam.service on logrotate
• Enable prelude support (bz#1829726)
• Move /etc/clamd.d/scan.conf to clamav-filesystem