CVE-2011-0753

Name: CVE-2011-0753
Creator: NVD / NIST
Published: 2011-02-02T22:00:02.05+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.80%

Last modified Jun 16, 2026

CVE-2011-0753 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.80% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

0.80%

51.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-362

Affected Software

Vendor	Product	Versions
Php	Php	<= 5.3.3
Php	Php	1.0
Php	Php	2.0
Php	Php	2.0b10
Php	Php	3.0
Php	Php	3.0.1
Php	Php	3.0.2
Php	Php	3.0.3
Php	Php	3.0.4
Php	Php	3.0.5
Php	Php	3.0.6
Php	Php	3.0.7
Php	Php	3.0.8
Php	Php	3.0.9
Php	Php	3.0.10
Php	Php	3.0.11
Php	Php	3.0.12
Php	Php	3.0.13
Php	Php	3.0.14
Php	Php	3.0.15
Php	Php	3.0.16
Php	Php	3.0.17
Php	Php	3.0.18
Php	Php	4.0
Php	Php	4.0.0
Php	Php	4.0.1
Php	Php	4.0.2
Php	Php	4.0.3
Php	Php	4.0.4
Php	Php	4.0.5
Php	Php	4.0.6
Php	Php	4.0.7
Php	Php	4.1.0
Php	Php	4.1.1
Php	Php	4.1.2
Php	Php	4.2.0
Php	Php	4.2.1
Php	Php	4.2.2
Php	Php	4.2.3
Php	Php	4.3.0
Php	Php	4.3.1
Php	Php	4.3.2
Php	Php	4.3.3
Php	Php	4.3.4
Php	Php	4.3.5
Php	Php	4.3.6
Php	Php	4.3.7
Php	Php	4.3.8
Php	Php	4.3.9
Php	Php	4.3.10

Showing 50 of 64 affected configurations. See NVD for the full list.

References

Timeline

Published: Feb 2, 2011
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-0753?

How severe is CVE-2011-0753?

Severity scoring for CVE-2011-0753 is pending analysis. The EPSS model estimates a 0.80% probability of exploitation in the next 30 days.

How do I fix CVE-2011-0753?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-0753?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST