USN-5300-1: PHP vulnerabilities

Related Vulnerabilities: CVE-2015-9253   CVE-2017-8923   CVE-2017-9118   CVE-2017-9120   CVE-2017-9119   CVE-2021-21707  

Several security issues were fixed in PHP.

It was discovered that PHP incorrectly handled certain scripts with XML parsing functions. An attacker could possibly use this issue to obtain sensitive information. (CVE-2021-21707)

Details

It was discovered that PHP incorrectly handled certain scripts.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2015-9253, CVE-2017-8923, CVE-2017-9118, CVE-2017-9120)

It was discovered that PHP incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a denial of service,
or possibly obtain sensitive information. (CVE-2017-9119)

It was discovered that PHP incorrectly handled certain scripts with XML
parsing functions.
An attacker could possibly use this issue to obtain sensitive information.
(CVE-2021-21707)