// For flags

CVE-2003-0166

PHP 4.x - 'socket_recv()' Signed Integer Memory Corruption

Severity Score

9.8
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

5
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Integer signedness error in emalloc() function for PHP before 4.3.2 allow remote attackers to cause a denial of service (memory consumption) and possibly execute arbitrary code via negative arguments to functions such as (1) socket_recv, (2) socket_recvfrom, and possibly other functions.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2003-03-25 First Exploit
  • 2003-03-26 CVE Reserved
  • 2003-03-27 CVE Published
  • 2024-08-08 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Php
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Php
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4.0
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Affected
Php
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Php
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4.0.1
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-
Affected
Php
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Php
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4.0.2
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Affected
Php
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Php
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4.0.3
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Affected
Php
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Php
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4.0.4
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Affected
Php
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Php
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4.0.5
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Affected
Php
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Php
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4.0.6
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Affected
Php
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Php
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4.0.7
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Affected
Php
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Php
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4.1.0
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Affected
Php
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Php
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4.1.1
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Affected
Php
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Php
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4.1.2
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Affected
Php
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Php
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4.2.0
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Affected
Php
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Php
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4.2.1
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Affected
Php
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Php
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4.2.2
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Affected
Php
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Php
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4.2.3
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Affected
Php
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Php
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4.3.0
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Affected
Php
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Php
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4.3.1
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Affected