Important: squid security update (Oracle Linux 7)

[7:3.5.20-17.0.1]
- Mutiple CVE fixes for squid [Orabug: 33146289]
- Resolves: CVE-2021-28651 squid: Bug 5104: Memory leak in RFC 2169 response parsing (#778)
- Resolves: CVE-2021-28652 squid: Bug 5106: Broken cache manager URL parsing (#788)
- Resolves: CVE-2021-31806,31807,31808 squid: Handle more Range requests (#790)
- Resolves: CVE-2021-33620 squid: Handle more partial responses (#791)

[7:3.5.20-17.7]
- Resolves: #2100778 - CVE-2021-46784 squid: DoS when processing gopher server
responses

[7:3.5.20-17.6]
- Resolves: #1944256 - CVE-2020-25097 squid: improper input validation may allow
a trusted client to perform HTTP Request Smuggling

[7:3.5.20-17.5]
- Resolves: #1890581 - Fix for CVE 2019-13345 breaks authentication in
cachemgr.cgi

[7:3.5.20-17.4]
- Resolves: #1872349 - CVE-2020-24606 squid: Improper Input Validation could
result in a DoS
- Resolves: #1872327 - CVE-2020-15810 squid: HTTP Request Smuggling could
result in cache poisoning
- Resolves: #1872342 - CVE-2020-15811 squid: HTTP Request Splitting could
result in cache poisoning

[7:3.5.20-17.2]
- Resolves: #1802516 - CVE-2020-8449 squid: Improper input validation issues
in HTTP Request processing
- Resolves: #1802515 - CVE-2020-8450 squid: Buffer overflow in a Squid acting
as reverse-proxy
- Resolves: #1853129 - CVE-2020-15049 squid: request smuggling and poisoning
attack against the HTTP cache
- Resolves: #1802517 - CVE-2019-12528 squid: Information Disclosure issue in
FTP Gateway