Advisory Published

USN-4088-1: PHP vulnerability

First published: Wed Aug 07 2019(Updated: )

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.

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/php5-xmlrpc<5.5.9+dfsg-1ubuntu4.29+esm4
5.5.9+dfsg-1ubuntu4.29+esm4
Ubuntu OpenSSH Client=14.04
All of
ubuntu/libapache2-mod-php5<5.5.9+dfsg-1ubuntu4.29+esm4
5.5.9+dfsg-1ubuntu4.29+esm4
Ubuntu OpenSSH Client=14.04
All of
ubuntu/php5-fpm<5.5.9+dfsg-1ubuntu4.29+esm4
5.5.9+dfsg-1ubuntu4.29+esm4
Ubuntu OpenSSH Client=14.04
All of
ubuntu/php5-cgi<5.5.9+dfsg-1ubuntu4.29+esm4
5.5.9+dfsg-1ubuntu4.29+esm4
Ubuntu OpenSSH Client=14.04
All of
ubuntu/php5-cli<5.5.9+dfsg-1ubuntu4.29+esm4
5.5.9+dfsg-1ubuntu4.29+esm4
Ubuntu OpenSSH Client=14.04
All of
ubuntu/php5-xmlrpc<5.3.10-1ubuntu3.38
5.3.10-1ubuntu3.38
Ubuntu OpenSSH Client=12.04
All of
ubuntu/libapache2-mod-php5<5.3.10-1ubuntu3.38
5.3.10-1ubuntu3.38
Ubuntu OpenSSH Client=12.04
All of
ubuntu/php5-fpm<5.3.10-1ubuntu3.38
5.3.10-1ubuntu3.38
Ubuntu OpenSSH Client=12.04
All of
ubuntu/php5-cgi<5.3.10-1ubuntu3.38
5.3.10-1ubuntu3.38
Ubuntu OpenSSH Client=12.04
All of
ubuntu/php5-cli<5.3.10-1ubuntu3.38
5.3.10-1ubuntu3.38
Ubuntu OpenSSH Client=12.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID for this PHP vulnerability?

    The vulnerability ID for this PHP vulnerability is USN-4088-1.

  • What is the impact of this PHP vulnerability?

    This PHP vulnerability could potentially expose sensitive information, cause a denial of service, or execute arbitrary code.

  • Which versions of PHP are affected by this vulnerability?

    Versions 5.5.9+dfsg-1ubuntu4.29+esm4 and 5.3.10-1ubuntu3.38 are affected by this vulnerability.

  • Which Ubuntu versions are affected by this PHP vulnerability?

    Ubuntu versions 14.04 and 12.04 are affected by this PHP vulnerability.

  • How can I fix this PHP vulnerability?

    To fix this PHP vulnerability, update the affected PHP packages to the recommended versions: 5.5.9+dfsg-1ubuntu4.29+esm4 for Ubuntu 14.04 and 5.3.10-1ubuntu3.38 for Ubuntu 12.04.

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