Firefox
CVE-2015-4516
CRITICAL
Severity by source
AV:N/AC:M/Au:N/C:C/I:C/A:C
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
AV:N/AC:M/Au:N/C:C/I:C/A:C
Lifecycle Timeline
1DescriptionCVE.org
Mozilla Firefox before 41.0 allows remote attackers to bypass certain ECMAScript 5 (aka ES5) API protection mechanisms and modify immutable properties, and consequently execute arbitrary JavaScript code with chrome privileges, via a crafted web page that does not use ES5 APIs.
AnalysisAI
Mozilla Firefox before 41.0 allows remote attackers to bypass certain ECMAScript 5 (aka ES5) API protection mechanisms and modify immutable properties, and consequently execute arbitrary JavaScript. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. No vendor patch available.
Technical ContextAI
This vulnerability is classified under CWE-254. Mozilla Firefox before 41.0 allows remote attackers to bypass certain ECMAScript 5 (aka ES5) API protection mechanisms and modify immutable properties, and consequently execute arbitrary JavaScript code with chrome privileges, via a crafted web page that does not use ES5 APIs. Affected products include: Mozilla Firefox. Version information: before 41.0.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
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External POC / Exploit Code
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