Affected: PHP Group PHP, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat Hardened Images

In PHP versions 8.4.* before 8.4.21 and 8.5.* before 8.5.6, DOMNode::C14N() method may process the XML data incorrectly, causing a circular linked list in the data structure representing the XML document. This may cause subsequent processing of the XML document to enter infinite loop, causing denial of service in the processing application.

Affected: Ubuntu:22.04:LTS: php8.1, Ubuntu:24.04:LTS: php8.3, Ubuntu:25.10: php8.4, Ubuntu:26.04:LTS: php8.5

Aleksey Solovev and Nikita Sveshnikov discovered that PHP improperly handled NUL bytes when preparing SQL queries in the PDO Firebird driver. An attacker could possibly use this issue to perform SQL injection attacks. (CVE-2025-14179)

It was discovered that PHP incorrectly handled certain encoding names in mbstring. An attacker could possibly use this issue to obtain sensitive information or cause a denial of service. This issue only affected Ubuntu 25.10 and Ubuntu 26.04 LTS. (CVE-2026-6104)

It was discovered that PHP incorrectly handled object references while parsing crafted SOAP requests. A remote attacker could possibly use this issue to execute arbitrary code. (CVE-2026-6722)

It was discovered that PHP incorrectly sanitized certain data in the PHP-FPM status page. A remote attacker could possibly use this issue to inject arbitrary JavaScript code. (CVE-2026-6735)

It was discovered that PHP had an encoding mismatch in mbstring. An attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service. (CVE-2026-7259)

It was discovered that PHP incorrectly handled SOAP session persistence after errors. A remote attacker could possibly use this issue to obtain sensitive information or cause PHP to crash, resulting in a denial of service. (CVE-2026-7261)

It was discovered that PHP incorrectly handled missing values in SOAP typemap decoding. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service.…