This update for squid fixes the following issues:

squid was updated to version 4.12

Security issue fixed:

- CVE-2020-14059: Fixed an issue where a client could potentially deny the service of a server
during TLS Handshake (bsc#1173304).

Other issues addressed:

- Reverted to slow search for new SMP shm pages due to a regression
- Fixed an issue where negative responses were never cached
- Fixed stall if transaction was overwriting a recently active cache entry

This update was imported from the SUSE:SLE-15:Update update project.