USN-5300-3: PHP vulnerabilities

7 March 2022

Several security issues were fixed in PHP.

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Releases

Packages

  • php8.0 - HTML-embedded scripting language interpreter

Details

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
parsing functions.
An attacker could possibly use this issue to obtain sensitive information.
(CVE-2021-21707)

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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.

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Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 21.10

In general, a standard system update will make all the necessary changes.

References

Related notices

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