USN-8734-1: PHP vulnerabilities

It was discovered that PHP incorrectly handled Apache map decoding in SOAP servers with a typemap configured. A remote attacker could use this issue to cause a NULL pointer dereference, resulting in a denial of service. (CVE-2026-7262) It was discovered that PHP incorrectly handled signed integer overflow in the metaphone() function. An attacker could use this issue to cause an out-of-bounds read, resulting in a denial of service. (CVE-2026-7568) It was discovered that PHP incorrectly handled circular symbolic links in phar archives. An attacker could use this issue to cause unbounded recursion, resulting in a denial of service. (CVE-2026-7260) It was discovered that PHP incorrectly escaped backslashes in the pgsql extension when standard_conforming_strings is enabled. An attacker could use this issue to perform SQL injection via a backslash breakout. (CVE-2026-17543)