Vulnerability Monitor

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CVE-2012-1148


Memory leak in the poolGrow function in expat/lib/xmlparse.c in expat before 2.1.0 allows context-dependent attackers to cause a denial of service (memory consumption) via a large number of crafted XML files that cause improperly-handled reallocation failures when expanding entities.


Security Impact Summary

CVE-2012-1148 is a security vulnerability that . Impacting 2 products from libexpat_project, from apple organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2012, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.


Published

2012-07-03T19:55:02.757

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

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

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

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-399

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application libexpat_project libexpat ≤ 2.0.1 Yes
Application libexpat_project libexpat 1.95.1 Yes
Application libexpat_project libexpat 1.95.2 Yes
Application libexpat_project libexpat 1.95.4 Yes
Application libexpat_project libexpat 1.95.5 Yes
Application libexpat_project libexpat 1.95.6 Yes
Application libexpat_project libexpat 1.95.7 Yes
Application libexpat_project libexpat 1.95.8 Yes
Application libexpat_project libexpat 2.0.0 Yes
Operating System apple mac_os_x ≤ 10.11.1 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 libexpat_project'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.