PHP vulnerabilities

Summary

It was discovered that PHP incorrectly handled SOAP object deduplication when processing apache:Map nodes with duplicate keys. An attacker could possibly use this to cause a use-after-free, resulting in remote code execution. (CVE-2026-6722) It was discovered that PHP incorrectly handled SOAP request persistence when configured with SOAP_PERSISTENCE_SESSION. An attacker could possibly use this to cause a use-after-free, resulting in memory corruption, information disclosure, or a denial of service. (CVE-2026-7261) It was discovered that the PDO Firebird driver in PHP improperly handled NUL bytes when quoting SQL query strings. An attacker could possibly use this to perform SQL injection when attacker-controlled values are embedded in SQL statements. (CVE-2025-14179) Affected Ubuntu releases: 16.04. CVEs: CVE-2026-6722, CVE-2026-7261, CVE-2025-14179.