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CVE-2011-0753

Date: February 2, 2011

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.

Severity Score

Related Resources (7)

http://bugs.php.net/52784
https://exchange.xforce.ibmcloud.com/vulnerabilities/65431
https://access.redhat.com/security/cve/CVE-2011-0753
https://nvd.nist.gov/vuln/detail/CVE-2011-0753
http://www.php.net/ChangeLog-5.php
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12271
https://www.mend.io/vulnerability-database/CVE-2011-0753

Severity Score

Weakness Type (CWE)

Race Conditions

CWE-362

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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