Vulnerability-Lookup

FKIE_CVE-2011-0753

Vulnerability from fkie_nvd - Published: 2011-02-02 22:00 - Updated: 2026-04-29 01:13

Severity

Summary

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.

References

URL	Tags
cve@mitre.org	http://bugs.php.net/52784	Patch
cve@mitre.org	http://www.php.net/ChangeLog-5.php
cve@mitre.org	https://exchange.xforce.ibmcloud.com/vulnerabilities/65431
cve@mitre.org	https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12271
af854a3a-2127-422b-91ae-364da2661108	http://bugs.php.net/52784	Patch
af854a3a-2127-422b-91ae-364da2661108	http://www.php.net/ChangeLog-5.php
af854a3a-2127-422b-91ae-364da2661108	https://exchange.xforce.ibmcloud.com/vulnerabilities/65431
af854a3a-2127-422b-91ae-364da2661108	https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12271

Impacted products

Vendor	Product	Version
php	php	*
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
php	php	4.0
php	php	4.0
php	php	4.0
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
php	php	4.3.11
php	php	4.4.0
php	php	4.4.1
php	php	4.4.2
php	php	4.4.3
php	php	4.4.4
php	php	4.4.5
php	php	4.4.6
php	php	4.4.7
php	php	4.4.8
php	php	4.4.9
php	php	5.3.0
php	php	5.3.1
php	php	5.3.2

JSON

To clipboard

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          "negate": false,
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    },
    {
      "lang": "es",
      "value": "Condici\u00f3n de carrera en la extensi\u00f3n PCNTL en PHP anteriores a 5.3.4, cuando existe un gestor de se\u00f1al definido por el usuario, podr\u00eda permitir a atacantes dependiendo del contexto provocar una denegaci\u00f3n de servicio (corrupci\u00f3n de memoria) a trav\u00e9s de un n\u00famero de se\u00f1ales muy grande."
    }
  ],
  "id": "CVE-2011-0753",
  "lastModified": "2026-04-29T01:13:23.040",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2011-02-02T22:00:02.050",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch"
      ],
      "url": "http://bugs.php.net/52784"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.php.net/ChangeLog-5.php"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/65431"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12271"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "http://bugs.php.net/52784"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.php.net/ChangeLog-5.php"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/65431"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12271"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2011-0753 (GCVE-0-2011-0753)

Vulnerability from cvelistv5 – Published: 2011-02-02 21:00 – Updated: 2024-08-06 22:05

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre

References

4 references

URL	Tags
http://bugs.php.net/52784	x_refsource_CONFIRM
https://exchange.xforce.ibmcloud.com/vulnerabilit…	vdb-entryx_refsource_XF
https://oval.cisecurity.org/repository/search/def…	vdb-entrysignaturex_refsource_OVAL
http://www.php.net/ChangeLog-5.php	x_refsource_CONFIRM

Date Public

2010-12-09 00:00

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

FKIE_CVE-2011-0753

CVE-2011-0753 (GCVE-0-2011-0753)

Tags

Sightings

Nomenclature