Vulnerability Details : CVE-2012-4217

Use-after-free vulnerability in the nsViewManager::ProcessPendingUpdates function in Mozilla Firefox before 17.0, Thunderbird before 17.0, and SeaMonkey before 2.14 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.
Published 2012-11-21 12:55:02
Updated 2020-08-13 13:30:23
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionExecute codeDenial of service

Products affected by CVE-2012-4217

Exploit prediction scoring system (EPSS) score for CVE-2012-4217

EPSS FAQ
1.62%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 87 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2012-4217

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-2012-4217

  • The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2012-4217

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