clamav -- multiple vulnerabilities

Micah Snyder reports:

CVE-2020-3327: Fixed a vulnerability in the ARJ archive-parsing module
in ClamAV 0.102.2 that could cause a denial-of-service 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: Fixed a vulnerability in the PDF-parsing module in ClamAV
0.101 - 0.102.2 that could cause a denial-of-service 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. OSS-Fuzz
discovered this vulnerability.