CVE-2007-2844
PHP 4.x and 5.x before 5.2.1, when running on multi-threaded systems, does not ensure thread...
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.
Exploit likelihood
What each source reports
NVD Score used
9.3
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.
- Record
CVE-2007-2844- CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2007-2844- Updated
- 2026-11-02
EUVDEUVD-2007-2836 No score
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.
- Record
EUVD-2007-2836- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rjv2-78g6-p67p No score
PHP 4.x and 5.x before 5.2.1, when running on multi-threaded systems, does not ensure thread...
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.
- Record
GHSA-rjv2-78g6-p67p- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| aliases, references, title | GitHub Advisories | |
| first indexed | CVE List, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2007-2844 is a high vulnerability (CVSS 9.3) in Php, published May 24, 2007. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.86%, the 86th percentile. No source names a fixed version.