USN-5902-1

It was discovered that PHP incorrectly handled certain invalid Blowfish password hashes. An invalid password hash could possibly allow applications to accept any password as valid, contrary to expectations. (CVE-2023-0567)

It was discovered that PHP incorrectly handled resolving long paths. A remote attacker could possibly use this issue to obtain or modify sensitive information. (CVE-2023-0568)

It was discovered that PHP incorrectly handled a large number of parts in HTTP form uploads. A remote attacker could possibly use this issue to cause PHP to consume resources, leading to a denial of service. (CVE-2023-0662)