Ubuntu Security Notice USN-5300-3
March 07, 2022
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 21.10
Several security issues were fixed in PHP.
- php8.0: HTML-embedded scripting language interpreter
USN-5300-1 fixed vulnerabilities in PHP. This update provides the
corresponding updates for Ubuntu 21.10.
Original advisory 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
An attacker could possibly use this issue to obtain sensitive information.
The problem can be corrected by updating your system to the following
In general, a standard system update will make all the necessary changes.
CVE-2017-8923, CVE-2017-9118, CVE-2017-9120, CVE-2021-21707
A PHP security update has been released for Ubuntu Linux 21.10.