An attacker could use a JavaScript Map/Set timing attack to determine whether an atom is used by another compartment/zone in specific contex

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

• debian debian linux8.0
• mozilla firefoxbefore 51.0
• mozilla firefoxbefore 45.6.0
• mozilla thunderbirdbefore 45.6.0
• redhat enterprise linux desktop5.0
• redhat enterprise linux desktop6.0
• redhat enterprise linux desktop7.0
• redhat enterprise linux server5.0
• redhat enterprise linux server6.0
• redhat enterprise linux server7.0
• redhat enterprise linux workstation5.0
• redhat enterprise linux workstation6.0
• redhat enterprise linux workstation7.0

Versions reported by the vendor

Affected version ranges reported by the assigning authority (mozilla). Independent of NVD's CPE analysis and usually ahead of it.

• Mozilla Firefox

  • unspecified and later · before 50.1affected

• Mozilla Firefox ESR

  • unspecified and later · before 45.6affected

• Mozilla Thunderbird

  • unspecified and later · before 45.6affected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

Other highest-scoring records for the same primary product.

• CVE-2017-5375JIT code allocation can allow for a bypass of ASLR and DEP protections leading to potential memory corruption attacks.
  49Plan
• CVE-2018-14649It was found that ceph-isci-cli package as shipped by Red Hat Ceph Storage 2 and 3 is using python-werkzeug in debug shell mode.
  43Plan
• CVE-2016-7050SerializableProvider in RESTEasy in Red Hat Enterprise Linux Desktop 7, Red Hat Enterprise Linux HPC Node 7, Red Hat Enterprise Linux Server
  41Plan
• CVE-2010-5325Heap-based buffer overflow in the unhtmlify function in foomatic-rip in foomatic-filters before 4.0.6 allows remote attackers to cause a den
  41Plan
• CVE-2018-5156A vulnerability can occur when capturing a media stream when the media source type is changed as the capture is occurring.
  40Plan
• CVE-2018-12378A use-after-free vulnerability can occur when an IndexedDB index is deleted while still in use by JavaScript code that is providing payload
  40Plan

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Root cause

The extension requests broader permissions than its function needs and sends the data it collects out for purposes beyond its stated function.

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

1{2  "permissions": ["tabs", "<all_urls>"],3  "background": { "service_worker": "analytics.js" }4}

1{2  "permissions": ["activeTab"],3  "host_permissions": ["https://yildiz.example/*"]4}

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.