This update for squid to version 4.9 fixes the following issues:
Security issues fixed:
- CVE-2019-13345: Fixed multiple cross-site scripting vulnerabilities in cachemgr.cgi (bsc#1140738).
- CVE-2019-12526: Fixed potential remote code execution during URN processing (bsc#1156326).
- CVE-2019-12523,CVE-2019-18676: Fixed multiple improper validations in URI processing (bsc#1156329).
- CVE-2019-18677: Fixed Cross-Site Request Forgery in HTTP Request processing (bsc#1156328).
- CVE-2019-18678: Fixed incorrect message parsing which could have led to HTTP request splitting issue (bsc#1156323).
- CVE-2019-18679: Fixed information disclosure when processing HTTP Digest Authentication (bsc#1156324).
Other issues addressed:
- Fixed DNS failures when peer name was configured with any upper case characters
- Fixed several rock cache_dir corruption issues