Vulnerability Monitor

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CVE-2012-5830

Use-after-free vulnerability in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 on Mac OS X allows remote attackers to execute arbitrary code via an HTML document.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 8.8, indicating it can be exploited remotely over the network with relatively low complexity though user interaction is required and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 15 products from mozilla, from mozilla, from mozilla and 12 others, 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

2012-11-21T12:55:03.290

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 8.8 (HIGH)

CVSSv2 Vector

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

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

8.6

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-416
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application mozilla firefox < 17.0 Yes
Application mozilla firefox < 10.0.11 Yes
Application mozilla seamonkey < 2.14 Yes
Application mozilla thunderbird < 17.0 Yes
Application mozilla thunderbird_esr < 10.0.11 Yes
Operating System apple mac_os_x - No
Operating System redhat enterprise_linux_desktop 5.0 Yes
Operating System redhat enterprise_linux_desktop 6.0 Yes
Operating System redhat enterprise_linux_eus 6.3 Yes
Operating System redhat enterprise_linux_server 5.0 Yes
Operating System redhat enterprise_linux_server 6.0 Yes
Operating System redhat enterprise_linux_server_eus 6.3 Yes
Operating System redhat enterprise_linux_workstation 5.0 Yes
Operating System redhat enterprise_linux_workstation 6.0 Yes
Application suse suse_linux_enterprise_software_development_kit 11.0 Yes
Operating System canonical ubuntu_linux 10.04 Yes
Operating System canonical ubuntu_linux 11.10 Yes
Operating System canonical ubuntu_linux 12.04 Yes
Operating System canonical ubuntu_linux 12.10 Yes
Operating System opensuse opensuse 11.4 Yes
Operating System opensuse opensuse 12.1 Yes
Operating System opensuse opensuse 12.2 Yes
Operating System suse suse_linux_enterprise_desktop 10 Yes
Operating System suse suse_linux_enterprise_desktop 11 Yes
Operating System suse suse_linux_enterprise_server 10 Yes
Operating System suse suse_linux_enterprise_server 11 Yes
Operating System suse suse_linux_enterprise_server 11 Yes
Operating System suse suse_linux_enterprise_server 11 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.