Vulnerability Monitor

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CVE-2008-5021

nsFrameManager in Firefox 3.x before 3.0.4, Firefox 2.x before 2.0.0.18, Thunderbird 2.x before 2.0.0.18, and SeaMonkey 1.x before 1.1.13 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code by modifying properties of a file input element while it is still being initialized, then using the blur method to access uninitialized memory.

Security Impact Summary

CVE-2008-5021 is a security vulnerability that . Impacting 13 products from mozilla, from mozilla, from mozilla and 10 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2008, 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

2008-11-13T11:30:01.377

Last Modified

2025-04-09T00:30:58.490

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 9.3 (HIGH)

CVSSv2 Vector

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

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

8.6

Impact Score

10.0

Weaknesses
  • Type: Primary
    CWE-362
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application mozilla firefox < 2.0.0.18 Yes
Application mozilla firefox < 3.0.4 Yes
Application mozilla seamonkey < 1.1.13 Yes
Application mozilla thunderbird < 2.0.0.18 Yes
Operating System debian debian_linux 4.0 Yes
Operating System canonical ubuntu_linux 6.06 Yes
Operating System canonical ubuntu_linux 7.10 Yes
Operating System canonical ubuntu_linux 8.04 Yes
Operating System canonical ubuntu_linux 8.10 Yes
Operating System fedoraproject fedora 8 Yes
Operating System fedoraproject fedora 9 Yes
Application suse linux_enterprise_debuginfo 10 Yes
Operating System novell linux_desktop 9 Yes
Operating System novell open_enterprise_server - Yes
Operating System opensuse opensuse 10.2 Yes
Operating System opensuse opensuse 10.3 Yes
Operating System opensuse opensuse 11.0 Yes
Operating System suse linux_enterprise_desktop 10 Yes
Operating System suse linux_enterprise_server 9 Yes
Operating System suse linux_enterprise_server 10 Yes
Operating System suse linux_enterprise_software_development_kit 10 Yes
Operating System suse linux_enterprise_software_development_kit 10 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 mozilla'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.