USN-6728-3: Squid vulnerability

USN-6728-1 fixed vulnerabilities in Squid. The fix for CVE-2023-5824 caused
Squid to crash in certain environments on Ubuntu 20.04 LTS and was disabled
in USN-6728-2. The problematic fix for CVE-2023-5824 has now been corrected
and reinstated in this update.

We apologize for the inconvenience.

Original advisory details:

Joshua Rogers discovered that Squid incorrectly handled collapsed
forwarding. A remote attacker could possibly use this issue to cause Squid
to crash, resulting in a denial of service. This issue only affected Ubuntu …

advisory crash cve disabled environments fix forwarding lts rogers squid ubuntu ubuntu 20.04 update usn vulnerabilities vulnerability