MGASA-2021-0391 Updated fetchmail packages fix security vulnerability

Updated fetchmail packages fix security vulnerability: reportvbuild in report.c in Fetchmail before 6.4.20 sometimes omits initialization of the vsnprintf valist argument, which might allow mail servers to cause a denial of service or possibly have unspecified other impact via long error messages...

Fetchmail buffer overflow

Buffer overflow on oversized POP3 UIDL reply...