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PHP CVEs

Vulnerabilities in the PHP language itself, and which PHP versions they affect.

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CVE-2011-0753

MEDIUM 4.3 CVSS 2.0
Published
February 2, 2011
Last modified
June 16, 2026
NVD status
Modified
Reported by
cve@mitre.org
Weakness
CWE-362
CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:P

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.

Affected products and versions

  • PHP — Up to and including 5.3.3
  • PHP versions 1.0, 2.0, 2.0b10, 3.0, 3.0.1, 3.0.2, 3.0.3, 3.0.4, 3.0.5, 3.0.6, 3.0.7, 3.0.8, 3.0.9, 3.0.10, 3.0.11, 3.0.12, 3.0.13, 3.0.14, 3.0.15, 3.0.16, 3.0.17, 3.0.18, 4.0, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.5, 4.0.6, 4.0.7, 4.0beta1, 4.0beta2, 4.0beta3, 4.0beta4, 4.0beta_4_patch1, 4.1.0, 4.1.1, 4.1.2, 4.2.0, 4.2.1, 4.2.2, 4.2.3, 4.3.0, 4.3.1, 4.3.2, 4.3.3, 4.3.4, 4.3.5, 4.3.6, 4.3.7, 4.3.8, 4.3.9, 4.3.10, 4.3.11, 4.4.0, 4.4.1, 4.4.2, 4.4.3, 4.4.4, 4.4.5, 4.4.6, 4.4.7, 4.4.8, 4.4.9, 5.3.0, 5.3.1, 5.3.2

References