A buffer overflow was found in perl-DBI < 1.643 in DBI.xs. A local attacker who is able to supply a string longer than 300 characters could cause an out-of-bounds write, affecting the availability of the service or integrity of data.
https://metacpan.org/pod/distribution/DBI/Changes#Changes-in-DBI-1.643
https://lists.debian.org/debian-lts-announce/2020/09/msg00026.html
https://bugzilla.redhat.com/show_bug.cgi?id=1877409
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00074.html
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00067.html