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Sid 1-51440

Message

BROWSER-FIREFOX Mozilla Firefox Custom Elements write-after-free attempt

Summary

A bug exists in Mozilla Firefox Custom Elements where a malicious JavaScript file can cause a write-after-free in the browser.

Impact

Attempted User Privilege Gain

Detailed information

Affected systems

  • Mozilla Firefox

Ease of attack

False positives

False negatives

Corrective action

Contributors

  • Cisco Talos Intelligence Group

Additional References

  • CVE-2018-18500