An issue was discovered in Squid 4.x before 4.15 and 5.x before 5.0.6. If a remote server sends a certain response header over HTTP or HTTPS, there is a denial of service. This header can plausibly occur in benign network traffic.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "4.10-1ubuntu1.4", "binary_name": "squid" }, { "binary_version": "4.10-1ubuntu1.4", "binary_name": "squid-cgi" }, { "binary_version": "4.10-1ubuntu1.4", "binary_name": "squid-cgi-dbgsym" }, { "binary_version": "4.10-1ubuntu1.4", "binary_name": "squid-common" }, { "binary_version": "4.10-1ubuntu1.4", "binary_name": "squid-dbgsym" }, { "binary_version": "4.10-1ubuntu1.4", "binary_name": "squid-purge" }, { "binary_version": "4.10-1ubuntu1.4", "binary_name": "squid-purge-dbgsym" }, { "binary_version": "4.10-1ubuntu1.4", "binary_name": "squidclient" }, { "binary_version": "4.10-1ubuntu1.4", "binary_name": "squidclient-dbgsym" } ] }