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B.66. php
Updated php packages that fix multiple security issues are now available for Red Hat Enterprise Linux 6.
The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System (CVSS) base scores, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) associated with each description below.
PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server.
- CVE-2010-4645
- A flaw was found in the way PHP converted certain floating point values from string representation to a number. If a PHP script evaluated an attacker's input in a numeric context, the PHP interpreter could cause high CPU usage until the script execution time limit is reached. This issue only affected i386 systems.
- CVE-2009-5016, CVE-2010-3870
- A numeric truncation error and an input validation flaw were found in the way the PHP utf8_decode() function decoded partial multi-byte sequences for some multi-byte encodings, sending them to output without them being escaped. An attacker could use these flaws to perform a cross-site scripting attack.
- CVE-2010-3709
- A NULL pointer dereference flaw was found in the PHP ZipArchive::getArchiveComment function. If a script used this function to inspect a specially-crafted ZIP archive file, it could cause the PHP interpreter to crash.
All php users should upgrade to these updated packages, which contain backported patches to resolve these issues. After installing the updated packages, the httpd daemon must be restarted for the update to take effect.
