Vulnerability Monitor

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CVE-2016-2830

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.

Published

2016-08-05T01:59:00.140

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 4.3 (MEDIUM)

CVSSv2 Vector

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

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

8.6

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-200
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application mozilla firefox ≤ 47.0.1 Yes
Application mozilla firefox 45.1.0 Yes
Application mozilla firefox 45.1.1 Yes
Application mozilla firefox 45.2.0 Yes
Application mozilla firefox 45.3.0 Yes
References