CVE-2006-1990 php multiple issues (CVE-2006-1991) CVE-2006-1990 - wordwrap integer overflow An integer overflow issue was discovered in PHP. This issue could potentially lead to arbitrary code execution as it allows overwriting an arbitrary section of memory with user supplied data. The exploitability of this issue will depend on how a user program is written to accept and process data passed to the wordwrap function. CVE-2006-1991 - substr_compare DoS It is possible to cause an OOB memory read via an improperly issued call to the substr_compare function. The ability to exploit this issue will depend on how a user program is written to pass invalid data to the substr_compare function. http://www.infigo.hr/en/in_focus/advisories/INFIGO-2006-04-02 This issue also affects RHEL3 This issue also affects RHEL2.1
Note that substr_compare() is only present in PHP 5.x releases, so that issue does not affect RHEL 2.1, 3 or 4.
An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on the solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHSA-2006-0568.html