Vulnerability Details : CVE-2012-3989

Mozilla Firefox before 16.0, Thunderbird before 16.0, and SeaMonkey before 2.13 do not properly perform a cast of an unspecified variable during use of the instanceof operator on a JavaScript object, which allows remote attackers to execute arbitrary code or cause a denial of service (assertion failure) via a crafted web site.
Published 2012-10-10 17:55:02
Updated 2025-04-11 00:51:22
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Execute codeDenial of service

Products affected by CVE-2012-3989

Threat overview for CVE-2012-3989

Top countries where our scanners detected CVE-2012-3989
Top open port discovered on systems with this issue 8200
IPs affected by CVE-2012-3989 2,348
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2012-3989!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2012-3989

EPSS FAQ
0.85%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 73 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2012-3989

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
9.3
 HIGH AV:N/AC:M/Au:N/C:C/I:C/A:C
8.6
10.0
 NIST

CWE ids for CVE-2012-3989

  • The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2012-3989

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