Squid is a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP data objects. The following packages have been upgraded to a later upstream version: squid . Security Fix: * squid: Improper input validation in request allows for proxy manipulation * squid: Off-by-one error in addStackElement allows for heap buffer overflow and crash * squid: Improper input validation in URI processor * squid: Improper access restriction in url_regex may lead to security bypass * squid: Heap overflow issue in URN processing * squid: Information Disclosure issue in FTP Gateway * squid: Out of bounds read in Proxy-Authorization header causes DoS * squid: Denial of service in cachemgr.cgi * squid: Buffer overflow in URI processor * squid: Cross-Site Request Forgery issue in HTTP Request processing * squid: HTTP Request Splitting issue in HTTP message processing * squid: Information Disclosure issue in HTTP Digest Authentication * squid: Mishandled HTML in the host parameter to cachemgr.cgi results in insecure behaviour * squid: Improper input validation issues in HTTP Request processing * squid: Buffer overflow in reverse-proxy configurations * squid: DoS in TLS handshake * squid: Request smuggling and poisoning attack against the HTTP cache * squid: Improper input validation could result in a DoS For more details about the security issue, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.3 Release Notes linked from the References section.