CVE-2007-0988: Buffer Overflow
The zendhashinit function in PHP 5 before 5.2.1 and PHP 4 before 4.4.5, when running on a 64-bit platform, allows context-dependent attackers to cause a denial of service (infinite loop) by unserializing certain integer expressions, which only cause 32-bit arguments to be used after the check for a negative value, as demonstrated by an "a:2147483649:{" argument.
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the severity of CVE-2007-0988?
CVE-2007-0988 is rated as a medium severity vulnerability due to its potential to cause a denial of service.
How do I fix CVE-2007-0988?
To fix CVE-2007-0988, upgrade PHP to version 5.2.1 or later, or to version 4.4.5 or later.
Which PHP versions are affected by CVE-2007-0988?
CVE-2007-0988 affects PHP 5 prior to version 5.2.1 and PHP 4 prior to version 4.4.5.
What type of attack does CVE-2007-0988 enable?
CVE-2007-0988 allows context-dependent attackers to cause a denial of service via an infinite loop when unserializing certain integer expressions.
On which platforms does CVE-2007-0988 manifest?
CVE-2007-0988 manifests specifically on 64-bit platforms running the affected versions of PHP.