CVE-2011-0753
Race condition in the PCNTL extension in PHP before 5.3.4, when a user-defined signal handler...
Race condition in the PCNTL extension in PHP before 5.3.4, when a user-defined signal handler exists, might allow context-dependent attackers to cause a denial of service (memory corruption) via a large number of concurrent signals.
Exploit likelihood
What each source reports
NVD Score used
Race condition in the PCNTL extension in PHP before 5.3.4, when a user-defined signal handler exists, might allow context-dependent attackers to cause a denial of service (memory corruption) via a large number of concurrent signals.
- Record
CVE-2011-0753- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-362
- Updated
- 2026-11-02
CVE List No score
Race condition in the PCNTL extension in PHP before 5.3.4, when a user-defined signal handler exists, might allow context-dependent attackers to cause a denial of service (memory corruption) via a large number of concurrent signals.
- Record
CVE-2011-0753- Updated
- 2026-11-02
EUVDEUVD-2011-0765 No score
Race condition in the PCNTL extension in PHP before 5.3.4, when a user-defined signal handler exists, might allow context-dependent attackers to cause a denial of service (memory corruption) via a large number of concurrent signals.
- Record
EUVD-2011-0765- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qmj6-6gg3-prp7 No score
Race condition in the PCNTL extension in PHP before 5.3.4, when a user-defined signal handler...
Race condition in the PCNTL extension in PHP before 5.3.4, when a user-defined signal handler exists, might allow context-dependent attackers to cause a denial of service (memory corruption) via a large number of concurrent signals.
- Record
GHSA-qmj6-6gg3-prp7- Weakness
- CWE-362
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-0753 is a medium vulnerability (CVSS 4.3) in Php, published February 2, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.80%, the 56th percentile. No source names a fixed version.