Updated squid packages fix security vulnerabilities

Updated squid packages fix security vulnerabilities: It was discovered that Squid incorrectly handled Digest authentication. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service (CVE-2019-12525). It was discovered that Squid incorrectly handled Basic authentication. A remote attacker could use this issue to cause Squid to crash, resulting in a denial of service, or possibly execute arbitrary code (CVE-2019-12527). It was discovered that Squid incorrectly handled Basic authentication. A remote attacker could possibly use this issue to cause Squid to crash, resulting in a denial of service (CVE-2019-12529). Due to incorrect string termination, Squid cachemgr.cgi 4.0 through 4.7 may access unallocated memory. On systems with memory access protections, this can cause the CGI process to terminate unexpectedly, resulting in a denial of service for all clients using it (CVE-2019-12854). It was discovered that Squid incorrectly handled the cachemgr.cgi web module. A remote attacker could possibly use this issue to conduct cross-site scripting (XSS) attacks (CVE-2019-13345). The squid package has been updated to version 4.8, fixing these issues and other bugs.