HTTP: Mozilla Firefox Custom Elements Object Write After Free

This signature detects attempts to exploit a known vulnerability against Mozilla Firefox. A successful attack can lead to arbitrary code execution.

References

CVE: CVE-2018-18500

Short Name
HTTP:STC:MOZILLA:FIREFOX-OBJECT
Severity
Major
Recommended
False
Recommended Action
None
Category
HTTP
Keywords
After CVE-2018-18500 Custom Elements Firefox Free Mozilla Object Write
Release Date
01/05/2026
Supported Platforms

srx-branch-12.3

srx-19.3

srx-branch-19.3

vsrx3bsd-19.2

srx-branch-19.4

vsrx-19.4

mx-12.3

mx-19.4

vmx-19.4

mx-19.3

vsrx3bsd-19.4

srx-19.4

vsrx-12.3

vmx-19.3

vsrx-19.2

srx-12.3

Sigpack Version
3870
False Positive
Unknown

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