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Mozilla Hacks

Improving Firefox Stability in the Enterprise by Reducing DLL Injection

Haik Aftandilian · 2025-03-25 · Read original ↗

ATT&CK techniques detected

3 predictions
T1055.001Dynamic-link Library Injection
98%
"improving firefox stability in the enterprise by reducing dll injection beginning in version 138, firefox will offer an alternative to dll injection for data loss prevention ( dlp ) deployments in enterprise environments. dll injection dll injection into firefox is a topic we ’ v…"
T1055.001Dynamic-link Library Injection
94%
"for injecting into applications to extend their functionality in some way. this is prevalent in the windows ecosystem. when third - party code is injected, the injected code interacts with the internals of the application. while it is not unusual for software to work together, an…"
T1055.001Dynamic-link Library Injection
32%
"will either turn to opaque and error - prone methods like dll injection, or replace firefox with another browser. what ’ s new – reducing dll injection in the enterprise starting with firefox 138, dlp software can work with firefox without the use of dll injection. firefox 138 in…"

Summary

Beginning in version 138, Firefox will offer an alternative to DLL injection for Data Loss Prevention (DLP) deployments in enterprise environments. DLL Injection DLL injection into Firefox is a topic we’ve covered on the Hacks blog before. In 2023, we blogged about the Firefox capability to let users block third-party DLLs from being loaded. We […]

The post Improving Firefox Stability in the Enterprise by Reducing DLL Injection appeared first on Mozilla Hacks - the Web developer blog.