Usn

USN-8734-1: PHP vulnerabilities Publication date 7 September 2026 Overview PHP could be made to crash or expose sensitive information if it received specially crafted input. Releases Packages - php7.0 - HTML-embedded scripting language interpreter Details 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... 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) Update instructions In general, a standard system update will make all the necessary changes. Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions: | Ubuntu Release | Package Version | || |---|---|---|---| | 16.04 LTS xenial | libapache2-mod-php7.0 – 7.0.33-0ubuntu0.16.04.16+esm20 | || | libphp7.0-embed – 7.0.33-0ubuntu0.16.04.16+esm20 | ||| | php7.0-cgi – 7.0.33-0ubuntu0.16.04.16+esm20 | ||| | php7.0-cli – 7.0.33-0ubuntu0.16.04.16+esm20 | ||| | php7.0-common – 7.0.33-0ubuntu0.16.04.16+esm20 | ||| | php7.0-fpm – 7.0.33-0ubuntu0.16.04.16+esm20 | ||| | php7.0-pgsql – 7.0.33-0ubuntu0.16.04.16+esm20 | ||| | php7.0-phpdbg – 7.0.33-0ubuntu0.16.04.16+esm20 | ||| | php7.0-soap – 7.0.33-0ubuntu0.16.04.16+esm20 | Reduce your security exposure Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.