PHP could be made to denial of service, expose sensitive information or execute arbitrary code if it received a specially crafted regular expression.
It was discovered that PHP incorrectly handled certain regular expressions. An attacker could possibly use this issue to expose sensitive information, cause a denial of service or execute arbitrary code.
7 August 2019
A security issue affects these releases of Ubuntu and its derivatives:
PHP could be made to denial of service, expose sensitive information or execute arbitrary code if it received a specially crafted regular expression.
It was discovered that PHP incorrectly handled certain regular expressions. An attacker could possibly use this issue to expose sensitive information, cause a denial of service or execute arbitrary code.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
Vulmon