Published: 24/09/2015 Updated: 22/12/2016

CVSS v2 Base Score: 9.3 | Impact Score: 10 | Exploitability Score: 8.6

VMScore: 828

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

Mozilla Firefox prior to 41.0 allows remote malicious users 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.

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mozilla firefox

Firefox could be made to crash or run programs as your login if it opened a malicious website ...

This update provides compatible packages for Firefox 41 ...

USN-2743-1 introduced a regression in Firefox ...

Mozilla Foundation Security Advisory 2015-109 JavaScript immutable property enforcement can be bypassed Announced September 22, 2015 Reporter Jeff Walden Impact High Products Firefox, SeaMonkey Fixed in ...

CWE-254 https://bugzilla.mozilla.org/show_bug.cgi?id=904886 http://www.mozilla.org/security/announce/2015/mfsa2015-109.html http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html http://www.securityfocus.com/bid/76815 http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00005.html http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00000.html http://www.ubuntu.com/usn/USN-2743-4 http://www.ubuntu.com/usn/USN-2743-3 http://www.ubuntu.com/usn/USN-2743-2 http://www.ubuntu.com/usn/USN-2743-1 http://www.securitytracker.com/id/1033640 https://nvd.nist.gov https://usn.ubuntu.com/2743-1/

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CVE-2015-4516

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