USN-6237-2: curl regression

USN-6237-1 fixed vulnerabilities in curl. The update caused a certificate
wildcard handling regression on Ubuntu 22.04 LTS. This update fixes the
problem.

We apologize for the inconvenience.

Original advisory details:

Hiroki Kurosawa discovered that curl incorrectly handled validating certain
certificate wildcards. A remote attacker could possibly use this issue to
spoof certain website certificates using IDN hosts. (CVE-2023-28321)

Hiroki Kurosawa discovered that curl incorrectly handled callbacks when
certain options are set by applications. This could cause applications
using curl to …

advisory certificate certificates curl fixes handling idn issue lts problem spoof ubuntu update usn vulnerabilities website wildcards