PHP — популярный язык сценариев общего назначения, особенно подходящий для веб-разработки.

The php_if_imap_mime_header_decode function in the IMAP functionality in PHP before 4.2.2 allows remote attackers to cause a denial of service (crash) via an e-mail header with a long "To" header.

PHP 4.0.4pl1 and 4.0.5 in safe mode allows remote attackers to read and write files owned by the web server UID by uploading a PHP script that uses the error_log function to access the files.

PHP 4.0.5 through 4.1.0 in safe mode does not properly cleanse the 5th parameter to the mail() function, which allows local users and possibly remote attackers to execute arbitrary commands via shell metacharacters.

PHP 4.0.5 through 4.1.0 in safe mode does not properly cleanse the 5th parameter to the mail() function, which allows local users and possibly remote attackers to execute arbitrary commands via shell metacharacters.

PHP 4.0.4pl1 and 4.0.5 in safe mode allows remote attackers to read and write files owned by the web server UID by uploading a PHP script that uses the error_log function to access the files.

PHP Apache module 4.0.4 and earlier allows remote attackers to bypass .htaccess access restrictions via a malformed HTTP request on an unrestricted page that causes PHP to use those access controls on the next page that is requested.

The Apache module for PHP 4.0.0 through PHP 4.0.4, when disabled with the 'engine = off' option for a virtual host, may disable PHP for other virtual hosts, which could cause Apache to serve the source code of PHP scripts.

PHP Apache module 4.0.4 and earlier allows remote attackers to bypass .htaccess access restrictions via a malformed HTTP request on an unrestricted page that causes PHP to use those access controls on the next page that is requested.

The Apache module for PHP 4.0.0 through PHP 4.0.4, when disabled with the 'engine = off' option for a virtual host, may disable PHP for other virtual hosts, which could cause Apache to serve the source code of PHP scripts.

PHP 3 and 4 do not properly cleanse user-injected format strings, which allows remote attackers to execute arbitrary commands by triggering error messages that are improperly written to the error logs.