USN-6757-2: PHP vulnerabilities

USN-6757-1 fixed vulnerabilities in PHP. Unfortunately these fixes were incomplete for
Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 23.10. This update fixes the problem.

Original advisory details:

It was discovered that PHP incorrectly handled PHP_CLI_SERVER_WORKERS variable.
An attacker could possibly use this issue to cause a crash or execute
arbitrary code. This issue only affected Ubuntu 20.04 LTS, and
Ubuntu 22.04 LTS. (CVE-2022-4900)

It was discovered that PHP incorrectly handled certain cookies.
An attacker could possibly use this issue …

advisory arbitrary code attacker code crash fixes issue lts php php vulnerabilities problem ubuntu ubuntu 20.04 ubuntu 22.04 ubuntu 23.10 update usn variable vulnerabilities