Upstream information
Description
PHP 4.x and 5.x before 5.2.1, when running on multi-threaded systems, does not ensure thread safety for libc crypt function calls using protection schemes such as a mutex, which creates race conditions that allow remote attackers to overwrite internal program memory and gain system access.SUSE information
Overall state of this security issue: Resolved
This issue is currently rated as having critical severity.
| CVSS detail | National Vulnerability Database | 
|---|---|
| Base Score | 9.3 | 
| Vector | AV:N/AC:M/Au:N/C:C/I:C/A:C | 
| Access Vector | Network | 
| Access Complexity | Medium | 
| Authentication | None | 
| Confidentiality Impact | Complete | 
| Integrity Impact | Complete | 
| Availability Impact | Complete | 
SUSE Timeline for this CVE
CVE page created: Fri Jun 28 03:48:54 2013CVE page last modified: Mon Oct 6 18:14:56 2025