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Test ID:1.3.6.1.4.1.25623.1.2.1.2016.47
Category:General
Title:Mozilla Firefox Security Advisory (MFSA2016-47) - Linux
Summary:This host is missing a security update for Mozilla Firefox.
Description:Summary:
This host is missing a security update for Mozilla Firefox.

Vulnerability Insight:
Write to invalid HashMap entry through JavaScript.watch()
The CESG, the Information Security Arm of GCHQ, reported that the
JavaScript .watch() method could be used to overflow the 32-bit generation
count of the underlying HashMap, resulting in a write to an invalid entry. Under the right
conditions this write could lead to arbitrary code execution. The overflow takes
considerable time and a malicious page would require a user to keep it open for the
duration of the attack.

Affected Software/OS:
Firefox version(s) below 46.

Solution:
The vendor has released an update. Please see the reference(s) for more information.

CVSS Score:
5.1

CVSS Vector:
AV:N/AC:H/Au:N/C:P/I:P/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2016-2808
Debian Security Information: DSA-3559 (Google Search)
http://www.debian.org/security/2016/dsa-3559
https://security.gentoo.org/glsa/201701-15
RedHat Security Advisories: RHSA-2016:0695
http://rhn.redhat.com/errata/RHSA-2016-0695.html
http://www.securitytracker.com/id/1035692
SuSE Security Announcement: SUSE-SU-2016:1258 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00023.html
SuSE Security Announcement: SUSE-SU-2016:1352 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00054.html
SuSE Security Announcement: SUSE-SU-2016:1374 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00057.html
SuSE Security Announcement: openSUSE-SU-2016:1211 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00005.html
SuSE Security Announcement: openSUSE-SU-2016:1251 (Google Search)
http://lists.opensuse.org/opensuse-updates/2016-05/msg00038.html
http://www.ubuntu.com/usn/USN-2936-1
http://www.ubuntu.com/usn/USN-2936-2
http://www.ubuntu.com/usn/USN-2936-3
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