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USN-5300-2: PHP vulnerabilities

3 March 2022

Several security issues were fixed in PHP.

Releases

Packages

  • php7.2 - HTML-embedded scripting language interpreter
  • php7.4 - HTML-embedded scripting language interpreter

Details

USN-5300-1 fixed vulnerabilities in PHP. This update provides the
corresponding updates for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.

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)

Update instructions

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

Ubuntu 20.04
Ubuntu 18.04

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

Related notices

  • USN-5300-1: php7.0-interbase, php7.0-zip, php7.0-bcmath, php7.0-cli, php7.0-bz2, php7.0-dev, php7.0-tidy, php7.0-gd, php7.0-mysql, php7.0-dba, php7.0-cgi, php7.0-sqlite3, php7.0-sybase, php7.0, php7.0-odbc, php7.0-phpdbg, php7.0-json, php7.0-xsl, libapache2-mod-php7.0, php7.0-fpm, php7.0-curl, php7.0-mbstring, php7.0-xmlrpc, php7.0-imap, php7.0-enchant, php7.0-soap, php7.0-common, php7.0-snmp, php7.0-xml, php7.0-ldap, php7.0-pgsql, php7.0-mcrypt, php7.0-readline, libphp7.0-embed, php7.0-recode, php7.0-intl, php7.0-gmp, php7.0-pspell, php7.0-opcache
  • USN-5300-3: php8.0-snmp, php8.0-odbc, php8.0-gd, php8.0-dev, libphp8.0-embed, php8.0-fpm, php8.0-common, php8.0-opcache, php8.0-dba, libapache2-mod-php8.0, php8.0-mysql, php8.0-imap, php8.0-phpdbg, php8.0-xml, php8.0-pspell, php8.0-soap, php8.0-tidy, php8.0-sybase, php8.0-interbase, php8.0-gmp, php8.0-enchant, php8.0-bz2, php8.0-sqlite3, php8.0-zip, php8.0-bcmath, php8.0-mbstring, php8.0-xsl, php8.0-cgi, php8.0-curl, php8.0, php8.0-ldap, php8.0-readline, php8.0-pgsql, php8.0-cli, php8.0-intl