Vulnerability Monitor

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CVE-2009-0153

International Components for Unicode (ICU) 4.0, 3.6, and other 3.x versions, as used in Apple Mac OS X 10.5 before 10.5.7, iPhone OS 1.0 through 2.2.1, iPhone OS for iPod touch 1.1 through 2.2.1, Fedora 9 and 10, and possibly other operating systems, does not properly handle invalid byte sequences during Unicode conversion, which might allow remote attackers to conduct cross-site scripting (XSS) attacks.

Security Impact Summary

CVE-2009-0153 is a security vulnerability that . Impacting 2 products from apple, from apple organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2009, 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

2009-05-13T15:30:00.360

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 4.3 (MEDIUM)

CVSSv2 Vector

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

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

8.6

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-79
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System apple mac_os_x 10.5.0 Yes
Operating System apple mac_os_x 10.5.1 Yes
Operating System apple mac_os_x 10.5.2 Yes
Operating System apple mac_os_x 10.5.3 Yes
Operating System apple mac_os_x 10.5.4 Yes
Operating System apple mac_os_x 10.5.5 Yes
Operating System apple mac_os_x 10.5.6 Yes
Operating System apple mac_os_x_server 10.5.0 Yes
Operating System apple mac_os_x_server 10.5.1 Yes
Operating System apple mac_os_x_server 10.5.2 Yes
Operating System apple mac_os_x_server 10.5.3 Yes
Operating System apple mac_os_x_server 10.5.4 Yes
Operating System apple mac_os_x_server 10.5.5 Yes
Operating System apple mac_os_x_server 10.5.6 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 apple'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.