Vulnerability Monitor

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CVE-2004-0594


The memory_limit functionality in PHP 4.x up to 4.3.7, and 5.x up to 5.0.0RC3, under certain conditions such as when register_globals is enabled, allows remote attackers to execute arbitrary code by triggering a memory_limit abort during execution of the zend_hash_init function and overwriting a HashTable destructor pointer before the initialization of key data structures is complete.


Security Impact Summary

CVE-2004-0594 is a security vulnerability that . Impacting 6 products from openpkg, from avaya, from debian and 3 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2004, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.


Published

2004-07-27T04:00:00.000

Last Modified

2025-04-03T01:03:51.193

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.1 (MEDIUM)

CVSSv2 Vector

AV:N/AC:H/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: HIGH
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

4.9

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-367

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application openpkg openpkg 2.0 Yes
Application openpkg openpkg 2.1 Yes
Hardware avaya converged_communications_server 2.0 Yes
Operating System debian debian_linux 3.0 Yes
Operating System hp hp-ux b.11.00 Yes
Operating System hp hp-ux b.11.11 Yes
Operating System hp hp-ux b.11.22 Yes
Operating System hp hp-ux b.11.23 Yes
Operating System trustix secure_linux 1.5 Yes
Operating System trustix secure_linux 2.0 Yes
Operating System trustix secure_linux 2.1 Yes
Application php php < 4.3.7 Yes
Application php php 5.0.0 Yes
Application php php 5.0.0 Yes
Application php php 5.0.0 Yes
Application php php 5.0.0 Yes
Application php php 5.0.0 Yes
Application php php 5.0.0 Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For openpkg's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.