CVE-2016-2830

4.3 MEDIUM
Published: August 05, 2016 Modified: May 06, 2026
View on NVD

Description

Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 preserve the network connection used for favicon resource retrieval after the associated browser window is closed, which makes it easier for remote web servers to track users by observing network traffic from multiple IP addresses.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00004.html
Source: security@mozilla.org
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00029.html
Source: security@mozilla.org
http://rhn.redhat.com/errata/RHSA-2016-1551.html
Source: security@mozilla.org
http://www.debian.org/security/2016/dsa-3640
Source: security@mozilla.org
http://www.mozilla.org/security/announce/2016/mfsa2016-63.html
Source: security@mozilla.org
Vendor Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
Source: security@mozilla.org
http://www.securityfocus.com/bid/92261
Source: security@mozilla.org
http://www.securitytracker.com/id/1036508
Source: security@mozilla.org
http://www.ubuntu.com/usn/USN-3044-1
Source: security@mozilla.org
https://bugzilla.mozilla.org/show_bug.cgi?id=1255270
Source: security@mozilla.org
Issue Tracking Permissions Required
https://security.gentoo.org/glsa/201701-15
Source: security@mozilla.org
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00004.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00029.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://rhn.redhat.com/errata/RHSA-2016-1551.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.debian.org/security/2016/dsa-3640
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.mozilla.org/security/announce/2016/mfsa2016-63.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/92261
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securitytracker.com/id/1036508
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.ubuntu.com/usn/USN-3044-1
Source: af854a3a-2127-422b-91ae-364da2661108
https://bugzilla.mozilla.org/show_bug.cgi?id=1255270
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Permissions Required
https://security.gentoo.org/glsa/201701-15
Source: af854a3a-2127-422b-91ae-364da2661108

22 reference(s) from NVD

Quick Stats

CVSS v3 Score
4.3 / 10.0
EPSS (Exploit Probability)
0.6%
68th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-200

Affected Vendors

mozilla

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