A heap-based buffer overflow exists in Info-Zip UnZip version <= 6.00 in the processing of password-protected archives that allows an attacker to perform a denial of service or to possibly achieve code execution.
https://security.gentoo.org/glsa/202003-58
https://sec-consult.com/en/blog/advisories/multiple-vulnerabilities-in-infozip-unzip/index.html
https://lists.debian.org/debian-lts-announce/2020/01/msg00026.html