HIGH · 9.3

CVE-2015-4516

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 co...

Vulnerability Description

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.

CVSS Score

9.3

HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C
Confidentiality
COMPLETE
Integrity
COMPLETE
Availability
COMPLETE

Affected Products

VendorProductVersions
MozillaFirefox<= 40.0.3

Related Weaknesses (CWE)

References

FAQ

What is CVE-2015-4516?

CVE-2015-4516 is a vulnerability with a CVSS score of 9.3 (HIGH). 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 co...

How severe is CVE-2015-4516?

CVE-2015-4516 has been rated HIGH with a CVSS base score of 9.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2015-4516?

Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox.