CVE ID:	CVE-2019-12523
Description:	An issue was discovered in Squid before 4.9. When handling a URN request, a corresponding HTTP request is made. This HTTP request doesn't go through the access checks that incoming HTTP requests go through. This causes all access checks to be bypassed and allows access to restricted HTTP servers, e.g., an attacker can connect to HTTP servers that only listen on localhost.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2019-12523 Debian Security Information: DSA-4682 (Google Search) https://www.debian.org/security/2020/dsa-4682 https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UEMOYTMCCFWK5NOXSXEIH5D2VGWVXR67/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MTM74TU2BSLT5B3H4F3UDW53672NVLMC/ https://lists.debian.org/debian-lts-announce/2020/07/msg00009.html https://usn.ubuntu.com/4213-1/ https://usn.ubuntu.com/4446-1/