Vulnerability Monitor

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CVE-2016-5259

Use-after-free vulnerability in the CanonicalizeXPCOMParticipant function in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allows remote attackers to execute arbitrary code via a script that closes its own Service Worker within a nested sync event loop.

Published

2016-08-05T01:59:15.097

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 8.8 (HIGH)

CVSSv2 Vector

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

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

8.6

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-416
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
Operating System oracle linux 5.0 Yes
Operating System oracle linux 6 Yes
Operating System oracle linux 7 Yes
References