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USN-3902-1: PHP vulnerabilities

USN-3902-1: PHP vulnerabilities

php5, php7.0 vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

Summary

Several security issues were fixed in PHP.

Software Description

Details

It was discovered that the PHP XML-RPC module incorrectly handled decoding
XML data. A remote attacker could possibly use this issue to cause PHP to
crash, resulting in a denial of service. (CVE-2019-9020, CVE-2019-9024)

It was discovered that the PHP PHAR module incorrectly handled certain
filenames. A remote attacker could possibly use this issue to cause PHP to
crash, resulting in a denial of service. (CVE-2019-9021)

It was discovered that PHP incorrectly parsed certain DNS responses. A
remote attacker could possibly use this issue to cause PHP to crash,
resulting in a denial of service. This issue only affected Ubuntu 16.04
LTS. (CVE-2019-9022)

It was discovered that PHP incorrectly handled mbstring regular
expressions. A remote attacker could possibly use this issue to cause PHP
to crash, resulting in a denial of service. (CVE-2019-9023)

Update instructions

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

Ubuntu 16.04 LTS
libapache2-mod-php7.07.0.33-0ubuntu0.16.04.2
php7.0-cgi7.0.33-0ubuntu0.16.04.2
php7.0-cli7.0.33-0ubuntu0.16.04.2
php7.0-fpm7.0.33-0ubuntu0.16.04.2
php7.0-mbstring7.0.33-0ubuntu0.16.04.2
php7.0-xmlrpc7.0.33-0ubuntu0.16.04.2
Ubuntu 14.04 LTS
libapache2-mod-php55.5.9+dfsg-1ubuntu4.27
php5-cgi5.5.9+dfsg-1ubuntu4.27
php5-cli5.5.9+dfsg-1ubuntu4.27
php5-fpm5.5.9+dfsg-1ubuntu4.27
php5-xmlrpc5.5.9+dfsg-1ubuntu4.27

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.

References

Source: USN-3902-1: PHP vulnerabilities

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